diff --git a/lib/connector/meshcore_connector.dart b/lib/connector/meshcore_connector.dart
index fceee150..6e3a1b9f 100644
--- a/lib/connector/meshcore_connector.dart
+++ b/lib/connector/meshcore_connector.dart
@@ -16,6 +16,7 @@ import '../models/message.dart';
 import '../models/path_selection.dart';
 import '../models/translation_support.dart';
 import '../helpers/reaction_helper.dart';
+import '../helpers/cyr2lat.dart';
 import '../helpers/smaz.dart';
 import '../services/app_debug_log_service.dart';
 import '../services/ble_debug_log_service.dart';
@@ -283,9 +284,11 @@ class MeshCoreConnector extends ChangeNotifier {
   final UnreadStore _unreadStore = UnreadStore();
   List<Channel> _cachedChannels = [];
   final Map<int, bool> _channelSmazEnabled = {};
+  final Map<int, bool> _channelCyr2LatEnabled = {};
   bool _lastSentWasCliCommand =
       false; // Track if last sent message was a CLI command
   final Map<String, bool> _contactSmazEnabled = {};
+  final Map<String, bool> _contactCyr2LatEnabled = {};
   final Set<String> _knownContactKeys = {};
   final Map<String, int> _contactUnreadCount = {};
   final Map<String, RepeaterBatterySnapshot> _repeaterBatterySnapshots = {};
@@ -607,6 +610,18 @@ class MeshCoreConnector extends ChangeNotifier {
     _ensureContactSmazSettingLoaded(contactKeyHex);
   }
 
+  bool isChannelCyr2LatEnabled(int channelIndex) {
+    return _channelCyr2LatEnabled[channelIndex] ?? false;
+  }
+
+  bool isContactCyr2LatEnabled(String contactKeyHex) {
+    return _contactCyr2LatEnabled[contactKeyHex] ?? false;
+  }
+
+  void ensureContactCyr2LatSettingLoaded(String contactKeyHex) {
+    _ensureContactCyr2LatSettingLoaded(contactKeyHex);
+  }
+
   Future<void> loadUnreadState() async {
     _contactUnreadCount
       ..clear()
@@ -682,6 +697,10 @@ class MeshCoreConnector extends ChangeNotifier {
 
   Future<void> setChannelSmazEnabled(int channelIndex, bool enabled) async {
     _channelSmazEnabled[channelIndex] = enabled;
+    if (enabled) {
+      _channelCyr2LatEnabled[channelIndex] = false;
+      await _channelSettingsStore.saveCyr2LatEnabled(channelIndex, false);
+    }
     await _channelSettingsStore.saveSmazEnabled(channelIndex, enabled);
     notifyListeners();
   }
@@ -692,6 +711,25 @@ class MeshCoreConnector extends ChangeNotifier {
     notifyListeners();
   }
 
+  Future<void> setChannelCyr2LatEnabled(int channelIndex, bool enabled) async {
+    _channelCyr2LatEnabled[channelIndex] = enabled;
+    if (enabled) {
+      _channelSmazEnabled[channelIndex] = false;
+      await _channelSettingsStore.saveSmazEnabled(channelIndex, false);
+    }
+    await _channelSettingsStore.saveCyr2LatEnabled(channelIndex, enabled);
+    notifyListeners();
+  }
+
+  Future<void> setContactCyr2LatEnabled(
+    String contactKeyHex,
+    bool enabled,
+  ) async {
+    _contactCyr2LatEnabled[contactKeyHex] = enabled;
+    await _contactSettingsStore.saveCyr2LatEnabled(contactKeyHex, enabled);
+    notifyListeners();
+  }
+
   Future<void> _loadChannelOrder() async {
     _channelOrder = await _channelOrderStore.loadChannelOrder();
     _applyChannelOrder();
@@ -828,6 +866,7 @@ class MeshCoreConnector extends ChangeNotifier {
       ..addAll(cached);
     for (final contact in cached) {
       _ensureContactSmazSettingLoaded(contact.publicKeyHex);
+      _ensureContactCyr2LatSettingLoaded(contact.publicKeyHex);
     }
   }
 
@@ -840,9 +879,12 @@ class MeshCoreConnector extends ChangeNotifier {
 
   Future<void> loadChannelSettings({int? maxChannels}) async {
     _channelSmazEnabled.clear();
+    _channelCyr2LatEnabled.clear();
     final channelCount = maxChannels ?? _maxChannels;
     for (int i = 0; i < channelCount; i++) {
       _channelSmazEnabled[i] = await _channelSettingsStore.loadSmazEnabled(i);
+      _channelCyr2LatEnabled[i] = await _channelSettingsStore
+          .loadCyr2LatEnabled(i);
     }
   }
 
@@ -4432,6 +4474,15 @@ class MeshCoreConnector extends ChangeNotifier {
     });
   }
 
+  void _ensureContactCyr2LatSettingLoaded(String contactKeyHex) {
+    if (_contactCyr2LatEnabled.containsKey(contactKeyHex)) return;
+    _contactSettingsStore.loadCyr2LatEnabled(contactKeyHex).then((enabled) {
+      if (_contactCyr2LatEnabled[contactKeyHex] == enabled) return;
+      _contactCyr2LatEnabled[contactKeyHex] = enabled;
+      notifyListeners();
+    });
+  }
+
   /// Prepares contact outbound text by applying SMAZ encoding if enabled.
   /// This should be used to transform text before computing ACK hashes.
   String prepareContactOutboundText(Contact contact, String text) {
@@ -4440,8 +4491,12 @@ class MeshCoreConnector extends ChangeNotifier {
         trimmed.startsWith('g:') ||
         trimmed.startsWith('m:') ||
         trimmed.startsWith('V1|');
-    if (!isStructuredPayload && isContactSmazEnabled(contact.publicKeyHex)) {
-      return Smaz.encodeIfSmaller(text);
+    if (!isStructuredPayload) {
+      if (isContactSmazEnabled(contact.publicKeyHex)) {
+        return Smaz.encodeIfSmaller(text);
+      } else if (isContactCyr2LatEnabled(contact.publicKeyHex)) {
+        return Cyr2Lat.encode(text);
+      }
     }
     return text;
   }
@@ -4450,8 +4505,12 @@ class MeshCoreConnector extends ChangeNotifier {
     final trimmed = text.trim();
     final isStructuredPayload =
         trimmed.startsWith('g:') || trimmed.startsWith('m:');
-    if (!isStructuredPayload && isChannelSmazEnabled(channelIndex)) {
-      return Smaz.encodeIfSmaller(text);
+    if (!isStructuredPayload) {
+      if (isChannelSmazEnabled(channelIndex)) {
+        return Smaz.encodeIfSmaller(text);
+      } else if (isChannelCyr2LatEnabled(channelIndex)) {
+        return Cyr2Lat.encode(text);
+      }
     }
     return text;
   }
diff --git a/lib/helpers/cyr2lat.dart b/lib/helpers/cyr2lat.dart
new file mode 100644
index 00000000..a7ec5dde
--- /dev/null
+++ b/lib/helpers/cyr2lat.dart
@@ -0,0 +1,63 @@
+class Cyr2Lat {
+  static Map<String, String> _charMap = {
+    'А': 'A',
+    'В': 'B',
+    'Е': 'E',
+    'Ё': 'E',
+    'З': '3',
+    'К': 'K',
+    'М': 'M',
+    'Н': 'H',
+    'О': 'O',
+    'Р': 'P',
+    'С': 'C',
+    'Т': 'T',
+    'Х': 'X',
+    'Ь': 'b',
+    'а': 'a',
+    'е': 'e',
+    'ё': 'e',
+    'о': 'o',
+    'р': 'p',
+    'с': 'c',
+    'у': 'y',
+    'х': 'x',
+  };
+
+  static final RegExp _prefixRegExp = RegExp(r'\@\[[\S\s]+\] ');
+
+  static void setCharMap(Map<String, String> charMap) {
+    _charMap = Map.from(charMap);
+  }
+
+  static String encode(String text) {
+    if (text.isEmpty) return text;
+    final buffer = StringBuffer();
+
+    final senderName = extractSenderName(text);
+    final msgText = removeSenderName(text);
+
+    for (final rune in msgText.runes) {
+      final char = String.fromCharCode(rune);
+      buffer.write(_charMap[char] ?? char);
+    }
+
+    return senderName + buffer.toString();
+  }
+
+  static String removeSenderName(String text) {
+    final match = _prefixRegExp.matchAsPrefix(text);
+    if (match != null) {
+      return text.substring(match.end);
+    }
+    return text;
+  }
+
+  static String extractSenderName(String text) {
+    final match = _prefixRegExp.matchAsPrefix(text);
+    if (match != null) {
+      return match.group(0) ?? '';
+    }
+    return '';
+  }
+}
diff --git a/lib/l10n/app_bg.arb b/lib/l10n/app_bg.arb
index 7ac54177..8f59d981 100644
--- a/lib/l10n/app_bg.arb
+++ b/lib/l10n/app_bg.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Компресия SMAZ",
+  "channels_cyr2latCompression": "Компресия Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Заменя някои кирилични символи с латиница при изпращане.",
+  "channels_cyr2latSettingsHeading": "Настройки на Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Списък със замествания",
+  "channels_cyr2latSettingsDscr": "Редактиране на JSON конфигурацията за заместване на символи",
+  "channels_cyr2latSettingsDialogHint": "JSON карта за замествания",
+  "channels_cyr2latSettingsDialogSuccess": "Списъкът със замествания е актуализиран",
+  "channels_cyr2latSettingsDialogWrongJSON": "Неправилен JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Възстановяване на първоначалните настройки",
+  "channels_cyr2latSettingsDialogResetted": "Настройките за заместване на Cyr2Lat са възстановени към първоначалните",
   "channels_channelUpdated": "Каналът \"{name}\" е актуализиран",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_de.arb b/lib/l10n/app_de.arb
index 46955052..e0cc58b5 100644
--- a/lib/l10n/app_de.arb
+++ b/lib/l10n/app_de.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "SMAZ-Komprimierung",
+  "channels_cyr2latCompression": "Cyr2Lat-Komprimierung",
+  "channels_cyr2latCompressionDscr": "Ersetzt einige kyrillische Zeichen durch lateinische Zeichen, wenn sie gesendet werden.",
+  "channels_cyr2latSettingsHeading": "Cyr2Lat-Einstellungen",
+  "channels_cyr2latSettingsSubheading": "Ersetzungsliste",
+  "channels_cyr2latSettingsDscr": "JSON-Konfiguration für die Zeichenersetzung bearbeiten",
+  "channels_cyr2latSettingsDialogHint": "JSON-Ersetzungstabelle",
+  "channels_cyr2latSettingsDialogSuccess": "Ersetzungsliste aktualisiert",
+  "channels_cyr2latSettingsDialogWrongJSON": "Ungültiges JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Auf Standard zurücksetzen",
+  "channels_cyr2latSettingsDialogResetted": "Die Cyr2Lat-Ersetzungseinstellungen wurden auf die Standardeinstellungen zurückgesetzt",
   "channels_channelUpdated": "Kanal \"{name}\" aktualisiert",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
index 8ad6bf37..03612b8d 100644
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -580,6 +580,21 @@
     }
   },
   "channels_smazCompression": "SMAZ compression",
+  "channels_cyr2latCompression": "Cyr2Lat compression",
+  "channels_cyr2latCompressionDscr": "Replaces some Cyrillic characters with Latin characters when sending.",
+  "channels_cyr2latSettingsHeading": "Cyr2Lat Setup",
+  "channels_cyr2latSettingsSubheading": "List of replacements",
+  "channels_cyr2latSettingsDscr": "Edit the JSON configuration of character replacement",
+  "channels_cyr2latSettingsDialogHint": "JSON replacement map",
+  "channels_cyr2latSettingsDialogSuccess": "The list of replacements has been updated",
+  "channels_cyr2latSettingsDialogWrongJSON": "Invalid JSON: {error}",
+  "@channels_cyr2latSettingsDialogWrongJSON": {
+    "placeholders": {
+      "error": {}
+    }
+  },
+  "channels_cyr2latSettingsDialogReset": "Reset to default",
+  "channels_cyr2latSettingsDialogResetted": "Cyr2Lat replacement settings reset to default",
   "channels_channelUpdated": "Channel \"{name}\" updated",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_es.arb b/lib/l10n/app_es.arb
index ac9527bd..bcb1b708 100644
--- a/lib/l10n/app_es.arb
+++ b/lib/l10n/app_es.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Compresión SMAZ",
+  "channels_cyr2latCompression": "Compresión Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Reemplaza algunos caracteres cirílicos con caracteres latinos al enviar.",
+  "channels_cyr2latSettingsHeading": "Configuración de Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Lista de sustituciones",
+  "channels_cyr2latSettingsDscr": "Editar la configuración JSON de sustitución de caracteres",
+  "channels_cyr2latSettingsDialogHint": "Mapa JSON de sustituciones",
+  "channels_cyr2latSettingsDialogSuccess": "Lista de sustituciones actualizada",
+  "channels_cyr2latSettingsDialogWrongJSON": "JSON incorrecto: {error}",
+  "channels_cyr2latSettingsDialogReset": "Restablecer valores predeterminados",
+  "channels_cyr2latSettingsDialogResetted": "La configuración de sustituciones de Cyr2Lat se ha restablecido a los valores predeterminados",
   "channels_channelUpdated": "Canal \"{name}\" actualizado",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_fr.arb b/lib/l10n/app_fr.arb
index a942aa2b..d0813a23 100644
--- a/lib/l10n/app_fr.arb
+++ b/lib/l10n/app_fr.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Compression SMAZ",
+  "channels_cyr2latCompression": "Compression Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Remplace certains caractères cyrilliques par des caractères latins lors de l'envoi.",
+  "channels_cyr2latSettingsHeading" : "Paramètres Cyr2Lat",
+  "channels_cyr2latSettingsSubheading" : "Liste des remplacements",
+  "channels_cyr2latSettingsDscr" : "Modifier la configuration JSON des remplacements de caractères",
+  "channels_cyr2latSettingsDialogHint": "Tableau de remplacement JSON",
+  "channels_cyr2latSettingsDialogSuccess": "Liste de remplacement mise à jour",
+  "channels_cyr2latSettingsDialogWrongJSON": "JSON incorrect : {error}",
+  "channels_cyr2latSettingsDialogReset": "Réinitialiser les paramètres par défaut",
+  "channels_cyr2latSettingsDialogResetted": "Les paramètres de remplacement Cyr2Lat ont été réinitialisés aux valeurs par défaut",
   "channels_channelUpdated": "Le canal \"{name}\" a été mis à jour",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_hu.arb b/lib/l10n/app_hu.arb
index 6f43463c..45a40a5f 100644
--- a/lib/l10n/app_hu.arb
+++ b/lib/l10n/app_hu.arb
@@ -548,6 +548,16 @@
     }
   },
   "channels_smazCompression": "SMAZ kompresszió",
+  "channels_cyr2latCompression": "Cyr2Lat kompresszió",
+  "channels_cyr2latCompressionDscr": "Néhány Cirill betűt Latin betűkkel helyettesít küldéskor.",
+  "channels_cyr2latSettingsHeading": "Cyr2Lat beállítások",
+  "channels_cyr2latSettingsSubheading": "Helyettesítési lista",
+  "channels_cyr2latSettingsDscr": "A karakterhelyettesítési JSON-konfiguráció szerkesztése",
+  "channels_cyr2latSettingsDialogHint": "JSON-csere táblázat",
+  "channels_cyr2latSettingsDialogSuccess": "A csere lista frissítve",
+  "channels_cyr2latSettingsDialogWrongJSON": "Hibás JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Alapértelmezett értékekre állítás",
+  "channels_cyr2latSettingsDialogResetted": "A Cyr2Lat helyettesítési beállítások alapértelmezett értékekre lettek állítva",
   "channels_channelUpdated": "A {name} csatorna frissítve",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_it.arb b/lib/l10n/app_it.arb
index 387c8cff..5f78fdcf 100644
--- a/lib/l10n/app_it.arb
+++ b/lib/l10n/app_it.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Compressione SMAZ",
+  "channels_cyr2latCompression": "Compressione Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Sostituisce alcuni caratteri cirillici con caratteri latini durante l'invio.",
+  "channels_cyr2latSettingsHeading": "Impostazioni Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Elenco delle sostituzioni",
+  "channels_cyr2latSettingsDscr": "Modifica la configurazione JSON delle sostituzioni dei caratteri",
+  "channels_cyr2latSettingsDialogHint": "Mappa JSON delle sostituzioni",
+  "channels_cyr2latSettingsDialogSuccess": "Elenco delle sostituzioni aggiornato",
+  "channels_cyr2latSettingsDialogWrongJSON": "JSON non corretto: {error}",
+  "channels_cyr2latSettingsDialogReset": "Ripristina impostazioni predefinite",
+  "channels_cyr2latSettingsDialogResetted": "Le impostazioni di sostituzione Cyr2Lat sono state ripristinate alle impostazioni predefinite",
   "channels_channelUpdated": "Canale \"{name}\" aggiornato",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_ja.arb b/lib/l10n/app_ja.arb
index b63f146d..ae3d6898 100644
--- a/lib/l10n/app_ja.arb
+++ b/lib/l10n/app_ja.arb
@@ -548,6 +548,16 @@
     }
   },
   "channels_smazCompression": "SMAZ 圧縮",
+  "channels_cyr2latCompression": "Cyr2Lat 圧縮",
+  "channels_cyr2latCompressionDscr": "送信時に一部のキリル文字をラテン文字に置き換えます。",
+  "channels_cyr2latSettingsHeading": "cyr2latの設定",
+  "channels_cyr2latSettingsSubheading": "置換リスト",
+  "channels_cyr2latSettingsDscr": "文字置換のJSON設定を編集する",
+  "channels_cyr2latSettingsDialogHint": "JSON置換マップ",
+  "channels_cyr2latSettingsDialogSuccess": "置換リストが更新されました",
+  "channels_cyr2latSettingsDialogWrongJSON": "不正なJSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "初期設定に戻す",
+  "channels_cyr2latSettingsDialogResetted": "cyr2latの置換設定が初期設定に戻されました",
   "channels_channelUpdated": "チャンネル「{name}」が更新されました",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_ko.arb b/lib/l10n/app_ko.arb
index 40721fe1..982bd421 100644
--- a/lib/l10n/app_ko.arb
+++ b/lib/l10n/app_ko.arb
@@ -548,6 +548,16 @@
     }
   },
   "channels_smazCompression": "SMAZ 압축",
+  "channels_cyr2latCompression": "Cyr2Lat 압축",
+  "channels_cyr2latCompressionDscr": "보낼 때 일부 키릴 문자를 라틴 문자로 바꿉니다.",
+  "channels_cyr2latSettingsHeading": "Cyr2Lat 설정",
+  "channels_cyr2latSettingsSubheading": "변환 목록",
+  "channels_cyr2latSettingsDscr": "문자 변환 JSON 구성 편집",
+  "channels_cyr2latSettingsDialogHint": "JSON 변환 맵",
+  "channels_cyr2latSettingsDialogSuccess": "변환 목록이 업데이트되었습니다",
+  "channels_cyr2latSettingsDialogWrongJSON": "잘못된 JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "초기값으로 초기화",
+  "channels_cyr2latSettingsDialogResetted": "Cyr2Lat 변환 설정이 초기값으로 초기화되었습니다",
   "channels_channelUpdated": "채널 \"{name}\"이 업데이트되었습니다.",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_localizations.dart b/lib/l10n/app_localizations.dart
index 2c1342d0..419d8c98 100644
--- a/lib/l10n/app_localizations.dart
+++ b/lib/l10n/app_localizations.dart
@@ -2176,6 +2176,66 @@ abstract class AppLocalizations {
   /// **'SMAZ compression'**
   String get channels_smazCompression;
 
+  /// No description provided for @channels_cyr2latCompression.
+  ///
+  /// In en, this message translates to:
+  /// **'Cyr2Lat compression'**
+  String get channels_cyr2latCompression;
+
+  /// No description provided for @channels_cyr2latCompressionDscr.
+  ///
+  /// In en, this message translates to:
+  /// **'Replaces some Cyrillic characters with Latin characters when sending.'**
+  String get channels_cyr2latCompressionDscr;
+
+  /// No description provided for @channels_cyr2latSettingsHeading.
+  ///
+  /// In en, this message translates to:
+  /// **'Cyr2Lat Setup'**
+  String get channels_cyr2latSettingsHeading;
+
+  /// No description provided for @channels_cyr2latSettingsSubheading.
+  ///
+  /// In en, this message translates to:
+  /// **'List of replacements'**
+  String get channels_cyr2latSettingsSubheading;
+
+  /// No description provided for @channels_cyr2latSettingsDscr.
+  ///
+  /// In en, this message translates to:
+  /// **'Edit the JSON configuration of character replacement'**
+  String get channels_cyr2latSettingsDscr;
+
+  /// No description provided for @channels_cyr2latSettingsDialogHint.
+  ///
+  /// In en, this message translates to:
+  /// **'JSON replacement map'**
+  String get channels_cyr2latSettingsDialogHint;
+
+  /// No description provided for @channels_cyr2latSettingsDialogSuccess.
+  ///
+  /// In en, this message translates to:
+  /// **'The list of replacements has been updated'**
+  String get channels_cyr2latSettingsDialogSuccess;
+
+  /// No description provided for @channels_cyr2latSettingsDialogWrongJSON.
+  ///
+  /// In en, this message translates to:
+  /// **'Invalid JSON: {error}'**
+  String channels_cyr2latSettingsDialogWrongJSON(Object error);
+
+  /// No description provided for @channels_cyr2latSettingsDialogReset.
+  ///
+  /// In en, this message translates to:
+  /// **'Reset to default'**
+  String get channels_cyr2latSettingsDialogReset;
+
+  /// No description provided for @channels_cyr2latSettingsDialogResetted.
+  ///
+  /// In en, this message translates to:
+  /// **'Cyr2Lat replacement settings reset to default'**
+  String get channels_cyr2latSettingsDialogResetted;
+
   /// No description provided for @channels_channelUpdated.
   ///
   /// In en, this message translates to:
diff --git a/lib/l10n/app_localizations_bg.dart b/lib/l10n/app_localizations_bg.dart
index b3e12799..a34ae450 100644
--- a/lib/l10n/app_localizations_bg.dart
+++ b/lib/l10n/app_localizations_bg.dart
@@ -1174,6 +1174,43 @@ class AppLocalizationsBg extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Компресия SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Компресия Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Заменя някои кирилични символи с латиница при изпращане.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Настройки на Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Списък със замествания';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Редактиране на JSON конфигурацията за заместване на символи';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON карта за замествания';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Списъкът със замествания е актуализиран';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Неправилен JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Възстановяване на първоначалните настройки';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Настройките за заместване на Cyr2Lat са възстановени към първоначалните';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Каналът \"$name\" е актуализиран';
diff --git a/lib/l10n/app_localizations_de.dart b/lib/l10n/app_localizations_de.dart
index d7c16914..7f6cfb25 100644
--- a/lib/l10n/app_localizations_de.dart
+++ b/lib/l10n/app_localizations_de.dart
@@ -1170,6 +1170,42 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ-Komprimierung';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat-Komprimierung';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Ersetzt einige kyrillische Zeichen durch lateinische Zeichen, wenn sie gesendet werden.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Cyr2Lat-Einstellungen';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Ersetzungsliste';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'JSON-Konfiguration für die Zeichenersetzung bearbeiten';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-Ersetzungstabelle';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Ersetzungsliste aktualisiert';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Ungültiges JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => 'Auf Standard zurücksetzen';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Die Cyr2Lat-Ersetzungseinstellungen wurden auf die Standardeinstellungen zurückgesetzt';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Kanal \"$name\" aktualisiert';
diff --git a/lib/l10n/app_localizations_en.dart b/lib/l10n/app_localizations_en.dart
index a2a88b0d..c63079e2 100644
--- a/lib/l10n/app_localizations_en.dart
+++ b/lib/l10n/app_localizations_en.dart
@@ -1150,6 +1150,42 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ compression';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat compression';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Replaces some Cyrillic characters with Latin characters when sending.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Cyr2Lat Setup';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'List of replacements';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Edit the JSON configuration of character replacement';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON replacement map';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'The list of replacements has been updated';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Invalid JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => 'Reset to default';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Cyr2Lat replacement settings reset to default';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Channel \"$name\" updated';
diff --git a/lib/l10n/app_localizations_es.dart b/lib/l10n/app_localizations_es.dart
index a1270124..4f2980c8 100644
--- a/lib/l10n/app_localizations_es.dart
+++ b/lib/l10n/app_localizations_es.dart
@@ -1172,6 +1172,43 @@ class AppLocalizationsEs extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Compresión SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Compresión Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Reemplaza algunos caracteres cirílicos con caracteres latinos al enviar.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Configuración de Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Lista de sustituciones';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Editar la configuración JSON de sustitución de caracteres';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'Mapa JSON de sustituciones';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Lista de sustituciones actualizada';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'JSON incorrecto: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Restablecer valores predeterminados';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'La configuración de sustituciones de Cyr2Lat se ha restablecido a los valores predeterminados';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Canal \"$name\" actualizado';
diff --git a/lib/l10n/app_localizations_fr.dart b/lib/l10n/app_localizations_fr.dart
index a0063914..57105660 100644
--- a/lib/l10n/app_localizations_fr.dart
+++ b/lib/l10n/app_localizations_fr.dart
@@ -1177,6 +1177,44 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Compression SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Compression Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Remplace certains caractères cyrilliques par des caractères latins lors de l\'envoi.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Paramètres Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Liste des remplacements';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Modifier la configuration JSON des remplacements de caractères';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint =>
+      'Tableau de remplacement JSON';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Liste de remplacement mise à jour';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'JSON incorrect : $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Réinitialiser les paramètres par défaut';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Les paramètres de remplacement Cyr2Lat ont été réinitialisés aux valeurs par défaut';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Le canal \"$name\" a été mis à jour';
diff --git a/lib/l10n/app_localizations_hu.dart b/lib/l10n/app_localizations_hu.dart
index 1ad8558c..690fed15 100644
--- a/lib/l10n/app_localizations_hu.dart
+++ b/lib/l10n/app_localizations_hu.dart
@@ -1177,6 +1177,42 @@ class AppLocalizationsHu extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ kompresszió';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat kompresszió';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Néhány Cirill betűt Latin betűkkel helyettesít küldéskor.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Cyr2Lat beállítások';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Helyettesítési lista';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'A karakterhelyettesítési JSON-konfiguráció szerkesztése';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-csere táblázat';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess => 'A csere lista frissítve';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Hibás JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Alapértelmezett értékekre állítás';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'A Cyr2Lat helyettesítési beállítások alapértelmezett értékekre lettek állítva';
+
   @override
   String channels_channelUpdated(String name) {
     return 'A $name csatorna frissítve';
diff --git a/lib/l10n/app_localizations_it.dart b/lib/l10n/app_localizations_it.dart
index 3a55559a..beea60d4 100644
--- a/lib/l10n/app_localizations_it.dart
+++ b/lib/l10n/app_localizations_it.dart
@@ -1173,6 +1173,44 @@ class AppLocalizationsIt extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Compressione SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Compressione Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Sostituisce alcuni caratteri cirillici con caratteri latini durante l\'invio.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Impostazioni Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Elenco delle sostituzioni';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Modifica la configurazione JSON delle sostituzioni dei caratteri';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint =>
+      'Mappa JSON delle sostituzioni';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Elenco delle sostituzioni aggiornato';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'JSON non corretto: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Ripristina impostazioni predefinite';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Le impostazioni di sostituzione Cyr2Lat sono state ripristinate alle impostazioni predefinite';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Canale \"$name\" aggiornato';
diff --git a/lib/l10n/app_localizations_ja.dart b/lib/l10n/app_localizations_ja.dart
index afb8c29b..6dadfa38 100644
--- a/lib/l10n/app_localizations_ja.dart
+++ b/lib/l10n/app_localizations_ja.dart
@@ -1117,6 +1117,39 @@ class AppLocalizationsJa extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ 圧縮';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat 圧縮';
+
+  @override
+  String get channels_cyr2latCompressionDscr => '送信時に一部のキリル文字をラテン文字に置き換えます。';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'cyr2latの設定';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => '置換リスト';
+
+  @override
+  String get channels_cyr2latSettingsDscr => '文字置換のJSON設定を編集する';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON置換マップ';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess => '置換リストが更新されました';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return '不正なJSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => '初期設定に戻す';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'cyr2latの置換設定が初期設定に戻されました';
+
   @override
   String channels_channelUpdated(String name) {
     return 'チャンネル「$name」が更新されました';
diff --git a/lib/l10n/app_localizations_ko.dart b/lib/l10n/app_localizations_ko.dart
index ff4bd261..358c7b1b 100644
--- a/lib/l10n/app_localizations_ko.dart
+++ b/lib/l10n/app_localizations_ko.dart
@@ -1112,6 +1112,39 @@ class AppLocalizationsKo extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ 압축';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat 압축';
+
+  @override
+  String get channels_cyr2latCompressionDscr => '보낼 때 일부 키릴 문자를 라틴 문자로 바꿉니다.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Cyr2Lat 설정';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => '변환 목록';
+
+  @override
+  String get channels_cyr2latSettingsDscr => '문자 변환 JSON 구성 편집';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON 변환 맵';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess => '변환 목록이 업데이트되었습니다';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return '잘못된 JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => '초기값으로 초기화';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Cyr2Lat 변환 설정이 초기값으로 초기화되었습니다';
+
   @override
   String channels_channelUpdated(String name) {
     return '채널 \"$name\"이 업데이트되었습니다.';
diff --git a/lib/l10n/app_localizations_nl.dart b/lib/l10n/app_localizations_nl.dart
index dd770e15..78908531 100644
--- a/lib/l10n/app_localizations_nl.dart
+++ b/lib/l10n/app_localizations_nl.dart
@@ -1161,6 +1161,43 @@ class AppLocalizationsNl extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ compressie';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat compressie';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Vervangt sommige Cyrillische tekens door Latijnse tekens bij het verzenden.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Instellingen Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Lijst met vervangingen';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Bewerk de JSON-configuratie voor tekenvervanging';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-vervangingskaart';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Lijst met vervangingen bijgewerkt';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Onjuiste JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Terugzetten naar standaard';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'De instellingen voor Cyr2Lat-vervangingen zijn teruggezet naar de standaardinstellingen';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Kanaal \"$name\" is bijgewerkt';
diff --git a/lib/l10n/app_localizations_pl.dart b/lib/l10n/app_localizations_pl.dart
index 357dd7e3..fcb236fc 100644
--- a/lib/l10n/app_localizations_pl.dart
+++ b/lib/l10n/app_localizations_pl.dart
@@ -1181,6 +1181,43 @@ class AppLocalizationsPl extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Kompresja SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Kompresja Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Zastępuje niektóre znaki cyrylicy alfabetem łacińskim podczas wysyłania.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Ustawienia Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Lista zamian';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Edytuj konfigurację JSON zamiany znaków';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'Mapa zamian JSON';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Lista zamian zaktualizowana';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Nieprawidłowy JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Przywróć ustawienia domyślne';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Ustawienia zamiany Cyr2Lat zostały przywrócone do wartości domyślnych';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Kanał \"$name\" został zaktualizowany';
diff --git a/lib/l10n/app_localizations_pt.dart b/lib/l10n/app_localizations_pt.dart
index 2dfcd8bd..97c5a50f 100644
--- a/lib/l10n/app_localizations_pt.dart
+++ b/lib/l10n/app_localizations_pt.dart
@@ -1172,6 +1172,43 @@ class AppLocalizationsPt extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Compressão SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Compressão Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Substitui alguns caracteres cirílicos por caracteres latinos ao enviar.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Configuração do Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Lista de substituições';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Editar a configuração JSON de substituição de caracteres';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'Mapa de substituições JSON';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Lista de substituições atualizada';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'JSON incorreto: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Redefinir para os valores iniciais';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'As configurações de substituição Cyr2Lat foram redefinidas para os valores iniciais';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Canal \"$name\" atualizado';
diff --git a/lib/l10n/app_localizations_ru.dart b/lib/l10n/app_localizations_ru.dart
index 4fac42ce..a4d6dd07 100644
--- a/lib/l10n/app_localizations_ru.dart
+++ b/lib/l10n/app_localizations_ru.dart
@@ -1172,6 +1172,41 @@ class AppLocalizationsRu extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Сжатие SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Сжатие Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Заменяет некоторые кириллические символы на латиницу при отправке.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Настройка Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Список замен';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Редактировать JSON-конфигурацию замены символов';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-карта замен';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess => 'Список замен обновлён';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Некорректный JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => 'Сбросить к начальным';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Настройки замен Cyr2Lat сброшены к начальным';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Канал \"$name\" обновлён';
diff --git a/lib/l10n/app_localizations_sk.dart b/lib/l10n/app_localizations_sk.dart
index c42e0249..5f523de0 100644
--- a/lib/l10n/app_localizations_sk.dart
+++ b/lib/l10n/app_localizations_sk.dart
@@ -1161,6 +1161,43 @@ class AppLocalizationsSk extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Odstránenie kompresie SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Odstránenie kompresie Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Pri odosielaní nahradí niektoré znaky cyriliky latinskými znakmi.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Nastavenia Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Zoznam nahradení';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Upravte konfiguráciu JSON pre nahradenie znakov';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON mapa nahradení';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Zoznam nahradení bol aktualizovaný';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Nesprávny JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset =>
+      'Obnoviť predvolené nastavenia';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Nastavenia nahradzovania Cyr2Lat boli obnovené na predvolené';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Kanál \"$name\" bol aktualizovaný';
diff --git a/lib/l10n/app_localizations_sl.dart b/lib/l10n/app_localizations_sl.dart
index 2d89aa41..91df3cf4 100644
--- a/lib/l10n/app_localizations_sl.dart
+++ b/lib/l10n/app_localizations_sl.dart
@@ -1159,6 +1159,42 @@ class AppLocalizationsSl extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Kompresija SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Kompresija Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Pri pošiljanju nekatere cirilice nadomesti z latiničnimi.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Nastavitve Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Seznam zamenjav';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Uredi JSON-konfiguracijo zamenjav znakov';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-tabela zamenjav';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Seznam zamenjav je posodobljen';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Nepravilen JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => 'Ponastavi na privzete';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Nastavitve zamenjav Cyr2Lat so ponastavljene na privzete';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Kanal $name je bil posodobljen';
diff --git a/lib/l10n/app_localizations_sv.dart b/lib/l10n/app_localizations_sv.dart
index 38e08939..2273c426 100644
--- a/lib/l10n/app_localizations_sv.dart
+++ b/lib/l10n/app_localizations_sv.dart
@@ -1151,6 +1151,42 @@ class AppLocalizationsSv extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ-komprimering';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat-komprimering';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Ersätter vissa kyrilliska tecken med latinska tecken när du skickar.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Inställningar för Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Ersättningslista';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Redigera JSON-konfigurationen för teckenersättning';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-ersättningskarta';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess =>
+      'Ersättningslistan har uppdaterats';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Felaktig JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => 'Återställ till standard';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Inställningarna för Cyr2Lat-ersättningar har återställts till standard';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Kanalen \"$name\" har uppdaterats';
diff --git a/lib/l10n/app_localizations_uk.dart b/lib/l10n/app_localizations_uk.dart
index 8ed4b9ff..639cbd12 100644
--- a/lib/l10n/app_localizations_uk.dart
+++ b/lib/l10n/app_localizations_uk.dart
@@ -1166,6 +1166,41 @@ class AppLocalizationsUk extends AppLocalizations {
   @override
   String get channels_smazCompression => 'Стиснення SMAZ';
 
+  @override
+  String get channels_cyr2latCompression => 'Стиснення Cyr2Lat';
+
+  @override
+  String get channels_cyr2latCompressionDscr =>
+      'Замінює деякі кириличні символи на латиницю при відправці.';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Налаштування Cyr2Lat';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => 'Список замін';
+
+  @override
+  String get channels_cyr2latSettingsDscr =>
+      'Редагувати JSON-конфігурацію заміни символів';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON-карта замін';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess => 'Список замін оновлено';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'Некоректний JSON: $error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => 'Скинути до початкових';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted =>
+      'Налаштування замін Cyr2Lat скинуто до початкових';
+
   @override
   String channels_channelUpdated(String name) {
     return 'Канал «$name» оновлено';
diff --git a/lib/l10n/app_localizations_zh.dart b/lib/l10n/app_localizations_zh.dart
index 4f38c64a..0ccb9c59 100644
--- a/lib/l10n/app_localizations_zh.dart
+++ b/lib/l10n/app_localizations_zh.dart
@@ -1099,6 +1099,38 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get channels_smazCompression => 'SMAZ 压缩';
 
+  @override
+  String get channels_cyr2latCompression => 'Cyr2Lat 压缩';
+
+  @override
+  String get channels_cyr2latCompressionDscr => '发送时将一些西里尔字符替换为拉丁字符。';
+
+  @override
+  String get channels_cyr2latSettingsHeading => 'Cyr2Lat 設定';
+
+  @override
+  String get channels_cyr2latSettingsSubheading => '替換清單';
+
+  @override
+  String get channels_cyr2latSettingsDscr => '編輯 JSON 字元替換設定檔';
+
+  @override
+  String get channels_cyr2latSettingsDialogHint => 'JSON 替換映射表';
+
+  @override
+  String get channels_cyr2latSettingsDialogSuccess => '替換清單已更新';
+
+  @override
+  String channels_cyr2latSettingsDialogWrongJSON(Object error) {
+    return 'JSON 格式錯誤：$error';
+  }
+
+  @override
+  String get channels_cyr2latSettingsDialogReset => '還原為預設值';
+
+  @override
+  String get channels_cyr2latSettingsDialogResetted => 'Cyr2Lat 替換設定已還原為預設值';
+
   @override
   String channels_channelUpdated(String name) {
     return '频道 \"$name\" 已更新';
diff --git a/lib/l10n/app_nl.arb b/lib/l10n/app_nl.arb
index 96bdb845..8ffadd08 100644
--- a/lib/l10n/app_nl.arb
+++ b/lib/l10n/app_nl.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "SMAZ compressie",
+  "channels_cyr2latCompression": "Cyr2Lat compressie",
+  "channels_cyr2latCompressionDscr": "Vervangt sommige Cyrillische tekens door Latijnse tekens bij het verzenden.",
+  "channels_cyr2latSettingsHeading": "Instellingen Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Lijst met vervangingen",
+  "channels_cyr2latSettingsDscr": "Bewerk de JSON-configuratie voor tekenvervanging",
+  "channels_cyr2latSettingsDialogHint": "JSON-vervangingskaart",
+  "channels_cyr2latSettingsDialogSuccess": "Lijst met vervangingen bijgewerkt",
+  "channels_cyr2latSettingsDialogWrongJSON": "Onjuiste JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Terugzetten naar standaard",
+  "channels_cyr2latSettingsDialogResetted": "De instellingen voor Cyr2Lat-vervangingen zijn teruggezet naar de standaardinstellingen",
   "channels_channelUpdated": "Kanaal \"{name}\" is bijgewerkt",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_pl.arb b/lib/l10n/app_pl.arb
index b62a78af..d44f8c80 100644
--- a/lib/l10n/app_pl.arb
+++ b/lib/l10n/app_pl.arb
@@ -398,6 +398,16 @@
     }
   },
   "channels_smazCompression": "Kompresja SMAZ",
+  "channels_cyr2latCompression": "Kompresja Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Zastępuje niektóre znaki cyrylicy alfabetem łacińskim podczas wysyłania.",
+  "channels_cyr2latSettingsHeading": "Ustawienia Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Lista zamian",
+  "channels_cyr2latSettingsDscr": "Edytuj konfigurację JSON zamiany znaków",
+  "channels_cyr2latSettingsDialogHint": "Mapa zamian JSON",
+  "channels_cyr2latSettingsDialogSuccess": "Lista zamian zaktualizowana",
+  "channels_cyr2latSettingsDialogWrongJSON": "Nieprawidłowy JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Przywróć ustawienia domyślne",
+  "channels_cyr2latSettingsDialogResetted": "Ustawienia zamiany Cyr2Lat zostały przywrócone do wartości domyślnych",
   "channels_channelUpdated": "Kanał \"{name}\" został zaktualizowany",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_pt.arb b/lib/l10n/app_pt.arb
index bf3e8936..67840825 100644
--- a/lib/l10n/app_pt.arb
+++ b/lib/l10n/app_pt.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Compressão SMAZ",
+  "channels_cyr2latCompression": "Compressão Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Substitui alguns caracteres cirílicos por caracteres latinos ao enviar.",
+  "channels_cyr2latSettingsHeading": "Configuração do Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Lista de substituições",
+  "channels_cyr2latSettingsDscr": "Editar a configuração JSON de substituição de caracteres",
+  "channels_cyr2latSettingsDialogHint": "Mapa de substituições JSON",
+  "channels_cyr2latSettingsDialogSuccess": "Lista de substituições atualizada",
+  "channels_cyr2latSettingsDialogWrongJSON": "JSON incorreto: {error}",
+  "channels_cyr2latSettingsDialogReset": "Redefinir para os valores iniciais",
+  "channels_cyr2latSettingsDialogResetted": "As configurações de substituição Cyr2Lat foram redefinidas para os valores iniciais",
   "channels_channelUpdated": "Canal \"{name}\" atualizado",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_ru.arb b/lib/l10n/app_ru.arb
index a83d1394..a2052b02 100644
--- a/lib/l10n/app_ru.arb
+++ b/lib/l10n/app_ru.arb
@@ -252,6 +252,16 @@
   "channels_channelAdded": "Канал \"{name}\" добавлен",
   "channels_editChannelTitle": "Изменить канал {index}",
   "channels_smazCompression": "Сжатие SMAZ",
+  "channels_cyr2latCompression": "Сжатие Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Заменяет некоторые кириллические символы на латиницу при отправке.",
+  "channels_cyr2latSettingsHeading": "Настройка Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Список замен",
+  "channels_cyr2latSettingsDscr": "Редактировать JSON-конфигурацию замены символов",
+  "channels_cyr2latSettingsDialogHint": "JSON-карта замен",
+  "channels_cyr2latSettingsDialogSuccess": "Список замен обновлён",
+  "channels_cyr2latSettingsDialogWrongJSON": "Некорректный JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Сбросить к начальным",
+  "channels_cyr2latSettingsDialogResetted": "Настройки замен Cyr2Lat сброшены к начальным",
   "channels_channelUpdated": "Канал \"{name}\" обновлён",
   "channels_publicChannelAdded": "Публичный канал добавлен",
   "channels_sortBy": "Сортировка",
diff --git a/lib/l10n/app_sk.arb b/lib/l10n/app_sk.arb
index e4466c30..27db3e77 100644
--- a/lib/l10n/app_sk.arb
+++ b/lib/l10n/app_sk.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Odstránenie kompresie SMAZ",
+  "channels_cyr2latCompression": "Odstránenie kompresie Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Pri odosielaní nahradí niektoré znaky cyriliky latinskými znakmi.",
+  "channels_cyr2latSettingsHeading": "Nastavenia Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Zoznam nahradení",
+  "channels_cyr2latSettingsDscr": "Upravte konfiguráciu JSON pre nahradenie znakov",
+  "channels_cyr2latSettingsDialogHint": "JSON mapa nahradení",
+  "channels_cyr2latSettingsDialogSuccess": "Zoznam nahradení bol aktualizovaný",
+  "channels_cyr2latSettingsDialogWrongJSON": "Nesprávny JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Obnoviť predvolené nastavenia",
+  "channels_cyr2latSettingsDialogResetted": "Nastavenia nahradzovania Cyr2Lat boli obnovené na predvolené",
   "channels_channelUpdated": "Kanál \"{name}\" bol aktualizovaný",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_sl.arb b/lib/l10n/app_sl.arb
index f6a317ef..b941fe78 100644
--- a/lib/l10n/app_sl.arb
+++ b/lib/l10n/app_sl.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "Kompresija SMAZ",
+  "channels_cyr2latCompression": "Kompresija Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Pri pošiljanju nekatere cirilice nadomesti z latiničnimi.",
+  "channels_cyr2latSettingsHeading": "Nastavitve Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Seznam zamenjav",
+  "channels_cyr2latSettingsDscr": "Uredi JSON-konfiguracijo zamenjav znakov",
+  "channels_cyr2latSettingsDialogHint": "JSON-tabela zamenjav",
+  "channels_cyr2latSettingsDialogSuccess": "Seznam zamenjav je posodobljen",
+  "channels_cyr2latSettingsDialogWrongJSON": "Nepravilen JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Ponastavi na privzete",
+  "channels_cyr2latSettingsDialogResetted": "Nastavitve zamenjav Cyr2Lat so ponastavljene na privzete",
   "channels_channelUpdated": "Kanal {name} je bil posodobljen",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_sv.arb b/lib/l10n/app_sv.arb
index eab348c7..ca9abac8 100644
--- a/lib/l10n/app_sv.arb
+++ b/lib/l10n/app_sv.arb
@@ -388,6 +388,16 @@
     }
   },
   "channels_smazCompression": "SMAZ-komprimering",
+  "channels_cyr2latCompression": "Cyr2Lat-komprimering",
+  "channels_cyr2latCompressionDscr": "Ersätter vissa kyrilliska tecken med latinska tecken när du skickar.",
+  "channels_cyr2latSettingsHeading": "Inställningar för Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Ersättningslista",
+  "channels_cyr2latSettingsDscr": "Redigera JSON-konfigurationen för teckenersättning",
+  "channels_cyr2latSettingsDialogHint": "JSON-ersättningskarta",
+  "channels_cyr2latSettingsDialogSuccess": "Ersättningslistan har uppdaterats",
+  "channels_cyr2latSettingsDialogWrongJSON": "Felaktig JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Återställ till standard",
+  "channels_cyr2latSettingsDialogResetted": "Inställningarna för Cyr2Lat-ersättningar har återställts till standard",
   "channels_channelUpdated": "Kanalen \"{name}\" har uppdaterats",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_uk.arb b/lib/l10n/app_uk.arb
index a005b369..826d3b84 100644
--- a/lib/l10n/app_uk.arb
+++ b/lib/l10n/app_uk.arb
@@ -389,6 +389,16 @@
     }
   },
   "channels_smazCompression": "Стиснення SMAZ",
+  "channels_cyr2latCompression": "Стиснення Cyr2Lat",
+  "channels_cyr2latCompressionDscr": "Замінює деякі кириличні символи на латиницю при відправці.",
+  "channels_cyr2latSettingsHeading": "Налаштування Cyr2Lat",
+  "channels_cyr2latSettingsSubheading": "Список замін",
+  "channels_cyr2latSettingsDscr": "Редагувати JSON-конфігурацію заміни символів",
+  "channels_cyr2latSettingsDialogHint": "JSON-карта замін",
+  "channels_cyr2latSettingsDialogSuccess": "Список замін оновлено",
+  "channels_cyr2latSettingsDialogWrongJSON": "Некоректний JSON: {error}",
+  "channels_cyr2latSettingsDialogReset": "Скинути до початкових",
+  "channels_cyr2latSettingsDialogResetted": "Налаштування замін Cyr2Lat скинуто до початкових",
   "channels_channelUpdated": "Канал «{name}» оновлено",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/l10n/app_zh.arb b/lib/l10n/app_zh.arb
index 9dc2325c..6932a4bc 100644
--- a/lib/l10n/app_zh.arb
+++ b/lib/l10n/app_zh.arb
@@ -403,6 +403,16 @@
     }
   },
   "channels_smazCompression": "SMAZ 压缩",
+  "channels_cyr2latCompression": "Cyr2Lat 压缩",
+  "channels_cyr2latCompressionDscr": "发送时将一些西里尔字符替换为拉丁字符。",
+  "channels_cyr2latSettingsHeading": "Cyr2Lat 設定",
+  "channels_cyr2latSettingsSubheading": "替換清單",
+  "channels_cyr2latSettingsDscr": "編輯 JSON 字元替換設定檔",
+  "channels_cyr2latSettingsDialogHint": "JSON 替換映射表",
+  "channels_cyr2latSettingsDialogSuccess": "替換清單已更新",
+  "channels_cyr2latSettingsDialogWrongJSON": "JSON 格式錯誤：{error}",
+  "channels_cyr2latSettingsDialogReset": "還原為預設值",
+  "channels_cyr2latSettingsDialogResetted": "Cyr2Lat 替換設定已還原為預設值",
   "channels_channelUpdated": "频道 \"{name}\" 已更新",
   "@channels_channelUpdated": {
     "placeholders": {
diff --git a/lib/models/app_settings.dart b/lib/models/app_settings.dart
index d3d3421d..d7c176e4 100644
--- a/lib/models/app_settings.dart
+++ b/lib/models/app_settings.dart
@@ -13,6 +13,31 @@ extension UnitSystemValue on UnitSystem {
   }
 }
 
+const Map<String, String> defaultCyr2LatCharMap = {
+  'А': 'A',
+  'В': 'B',
+  'Е': 'E',
+  'Ё': 'E',
+  'З': '3',
+  'К': 'K',
+  'М': 'M',
+  'Н': 'H',
+  'О': 'O',
+  'Р': 'P',
+  'С': 'C',
+  'Т': 'T',
+  'Х': 'X',
+  'Ь': 'b',
+  'а': 'a',
+  'е': 'e',
+  'ё': 'e',
+  'о': 'o',
+  'р': 'p',
+  'с': 'c',
+  'у': 'y',
+  'х': 'x',
+};
+
 class AppSettings {
   static const Object _unset = Object();
 
@@ -57,6 +82,7 @@ class AppSettings {
   final String? translationModelSourceUrl;
   final String? translationSelectedModelId;
   final List<TranslationModelRecord> translationDownloadedModels;
+  final Map<String, String> cyr2latCharMap;
 
   AppSettings({
     this.clearPathOnMaxRetry = false,
@@ -100,10 +126,12 @@ class AppSettings {
     this.translationModelSourceUrl,
     this.translationSelectedModelId,
     List<TranslationModelRecord>? translationDownloadedModels,
+    Map<String, String>? cyr2latCharMap,
   }) : batteryChemistryByDeviceId = batteryChemistryByDeviceId ?? {},
        batteryChemistryByRepeaterId = batteryChemistryByRepeaterId ?? {},
        mutedChannels = mutedChannels ?? {},
-       translationDownloadedModels = translationDownloadedModels ?? const [];
+       translationDownloadedModels = translationDownloadedModels ?? const [],
+       cyr2latCharMap = cyr2latCharMap ?? defaultCyr2LatCharMap;
 
   Map<String, dynamic> toJson() {
     return {
@@ -150,6 +178,7 @@ class AppSettings {
       'translation_downloaded_models': translationDownloadedModels
           .map((model) => model.toJson())
           .toList(),
+      'cyr2lat_char_map': cyr2latCharMap,
     };
   }
 
@@ -237,6 +266,11 @@ class AppSettings {
               )
               .toList() ??
           const [],
+      cyr2latCharMap:
+          (json['cyr2lat_char_map'] as Map?)?.map(
+            (key, value) => MapEntry(key.toString(), value.toString()),
+          ) ??
+          defaultCyr2LatCharMap,
     );
   }
 
@@ -282,6 +316,7 @@ class AppSettings {
     Object? translationModelSourceUrl = _unset,
     Object? translationSelectedModelId = _unset,
     List<TranslationModelRecord>? translationDownloadedModels,
+    Map<String, String>? cyr2latCharMap,
   }) {
     return AppSettings(
       clearPathOnMaxRetry: clearPathOnMaxRetry ?? this.clearPathOnMaxRetry,
@@ -345,6 +380,7 @@ class AppSettings {
           : translationSelectedModelId as String?,
       translationDownloadedModels:
           translationDownloadedModels ?? this.translationDownloadedModels,
+      cyr2latCharMap: cyr2latCharMap ?? this.cyr2latCharMap,
     );
   }
 }
diff --git a/lib/screens/app_settings_screen.dart b/lib/screens/app_settings_screen.dart
index 80d8adbc..425248de 100644
--- a/lib/screens/app_settings_screen.dart
+++ b/lib/screens/app_settings_screen.dart
@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
@@ -60,6 +61,8 @@ class AppSettingsScreen extends StatelessWidget {
                         const SizedBox(height: 16),
                         _buildMapSettingsCard(context, settingsService),
                         const SizedBox(height: 16),
+                        _buildCyr2LatCard(context, settingsService),
+                        const SizedBox(height: 16),
                         _buildDebugCard(context, settingsService),
                       ],
                     );
@@ -1255,6 +1258,116 @@ class AppSettingsScreen extends StatelessWidget {
     return '${sizeMb.toStringAsFixed(1)} MB • $source';
   }
 
+  Widget _buildCyr2LatCard(
+    BuildContext context,
+    AppSettingsService settingsService,
+  ) {
+    return Card(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
+            child: Text(
+              context.l10n.channels_cyr2latSettingsHeading,
+              style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
+            ),
+          ),
+          ListTile(
+            leading: const Icon(Icons.translate),
+
+            title: Text(context.l10n.channels_cyr2latSettingsSubheading),
+            subtitle: Text(context.l10n.channels_cyr2latSettingsDscr),
+            trailing: const Icon(Icons.chevron_right),
+            onTap: () => _showCyr2LatDialog(context, settingsService),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showCyr2LatDialog(
+    BuildContext context,
+    AppSettingsService settingsService,
+  ) {
+    final controller = TextEditingController(
+      text: const JsonEncoder.withIndent(
+        '  ',
+      ).convert(settingsService.settings.cyr2latCharMap),
+    );
+
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: Text(context.l10n.channels_cyr2latSettingsDscr),
+        content: SingleChildScrollView(
+          child: TextField(
+            controller: controller,
+            maxLines: 20,
+            decoration: InputDecoration(
+              border: const OutlineInputBorder(),
+              hintText: context.l10n.channels_cyr2latSettingsDialogHint,
+            ),
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: Text(context.l10n.common_cancel),
+          ),
+          TextButton(
+            onPressed: () {
+              try {
+                final json =
+                    jsonDecode(controller.text) as Map<String, dynamic>;
+                final map = json.map(
+                  (key, value) => MapEntry(key, value.toString()),
+                );
+                final newSettings = settingsService.settings.copyWith(
+                  cyr2latCharMap: map,
+                );
+                settingsService.updateSettings(newSettings);
+                Navigator.pop(context);
+                showDismissibleSnackBar(
+                  context,
+                  content: Text(
+                    context.l10n.channels_cyr2latSettingsDialogSuccess,
+                  ),
+                );
+              } catch (e) {
+                showDismissibleSnackBar(
+                  context,
+                  content: Text(
+                    context.l10n.channels_cyr2latSettingsDialogWrongJSON(
+                      e.toString(),
+                    ),
+                  ),
+                );
+              }
+            },
+            child: Text(context.l10n.common_save),
+          ),
+          TextButton(
+            onPressed: () {
+              final newSettings = settingsService.settings.copyWith(
+                cyr2latCharMap: defaultCyr2LatCharMap,
+              );
+              settingsService.updateSettings(newSettings);
+              Navigator.pop(context);
+              showDismissibleSnackBar(
+                context,
+                content: Text(
+                  context.l10n.channels_cyr2latSettingsDialogResetted,
+                ),
+              );
+            },
+            child: Text(context.l10n.channels_cyr2latSettingsDialogReset),
+          ),
+        ],
+      ),
+    );
+  }
+
   Widget _buildDebugCard(
     BuildContext context,
     AppSettingsService settingsService,
diff --git a/lib/screens/channel_chat_screen.dart b/lib/screens/channel_chat_screen.dart
index b203cbbe..4f43e9c3 100644
--- a/lib/screens/channel_chat_screen.dart
+++ b/lib/screens/channel_chat_screen.dart
@@ -11,6 +11,7 @@ import '../connector/meshcore_connector.dart';
 import '../utils/platform_info.dart';
 import '../helpers/chat_scroll_controller.dart';
 import '../connector/meshcore_protocol.dart';
+import '../helpers/cyr2lat.dart';
 import '../helpers/gif_helper.dart';
 import '../helpers/reaction_helper.dart';
 import '../helpers/snack_bar_builder.dart';
@@ -1100,7 +1101,12 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
                       hintText: context.l10n.chat_typeMessage,
                       onSubmitted: (_) => _sendMessage(),
                       encoder:
-                          connector.isChannelSmazEnabled(widget.channel.index)
+                          (connector.isChannelSmazEnabled(
+                                widget.channel.index,
+                              ) ||
+                              connector.isChannelCyr2LatEnabled(
+                                widget.channel.index,
+                              ))
                           ? (text) => connector.prepareChannelOutboundText(
                               widget.channel.index,
                               text,
@@ -1213,6 +1219,15 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
       return;
     }
 
+    // When messageText is transformed with cyr2lat, it (generally) hasn't visual differences,
+    // but we getting messages doubles in chat screen (source text and transformed).
+    // To prevent, we'll perform transform of source before pass to main sender logic.
+    // We can pass whole text, senderName will be kept intact
+    if (connector.isChannelCyr2LatEnabled(widget.channel.index)) {
+      messageText = Cyr2Lat.encode(messageText);
+    }
+    // end transform
+
     _textController.clear();
     _cancelReply();
     _textFieldFocusNode.requestFocus();
diff --git a/lib/screens/channels_screen.dart b/lib/screens/channels_screen.dart
index 44c7a69c..868aac77 100644
--- a/lib/screens/channels_screen.dart
+++ b/lib/screens/channels_screen.dart
@@ -1404,6 +1404,7 @@ class _ChannelsScreenState extends State<ChannelsScreen>
     final nameController = TextEditingController(text: channel.name);
     final pskController = TextEditingController(text: channel.pskHex);
     bool smazEnabled = connector.isChannelSmazEnabled(channel.index);
+    bool cyr2latEnabled = connector.isChannelCyr2LatEnabled(channel.index);
 
     showDialog(
       context: context,
@@ -1449,7 +1450,26 @@ class _ChannelsScreenState extends State<ChannelsScreen>
                   contentPadding: EdgeInsets.zero,
                   title: Text(dialogContext.l10n.channels_smazCompression),
                   value: smazEnabled,
-                  onChanged: (value) => setState(() => smazEnabled = value),
+                  onChanged: (value) => setState(() {
+                    smazEnabled = value;
+                    if (smazEnabled) {
+                      cyr2latEnabled = false;
+                    }
+                  }),
+                ),
+                SwitchListTile(
+                  contentPadding: EdgeInsets.zero,
+                  title: Text(dialogContext.l10n.channels_cyr2latCompression),
+                  subtitle: Text(
+                    dialogContext.l10n.channels_cyr2latCompressionDscr,
+                  ),
+                  value: cyr2latEnabled,
+                  onChanged: (value) => setState(() {
+                    cyr2latEnabled = value;
+                    if (cyr2latEnabled) {
+                      smazEnabled = false;
+                    }
+                  }),
                 ),
               ],
             ),
@@ -1482,6 +1502,10 @@ class _ChannelsScreenState extends State<ChannelsScreen>
                     channel.index,
                     smazEnabled,
                   );
+                  await connector.setChannelCyr2LatEnabled(
+                    channel.index,
+                    cyr2latEnabled,
+                  );
                   if (!context.mounted) return;
                   showDismissibleSnackBar(
                     context,
diff --git a/lib/screens/chat_screen.dart b/lib/screens/chat_screen.dart
index ffa8344b..b9cdf0ec 100644
--- a/lib/screens/chat_screen.dart
+++ b/lib/screens/chat_screen.dart
@@ -13,6 +13,7 @@ import 'package:latlong2/latlong.dart';
 
 import '../connector/meshcore_connector.dart';
 import '../connector/meshcore_protocol.dart';
+import '../helpers/cyr2lat.dart';
 import '../helpers/reaction_helper.dart';
 import '../widgets/message_status_icon.dart';
 import '../helpers/chat_scroll_controller.dart';
@@ -574,9 +575,12 @@ class _ChatScreenState extends State<ChatScreen> {
                     hintText: context.l10n.chat_typeMessage,
                     onSubmitted: (_) => _sendMessage(connector),
                     encoder:
-                        connector.isContactSmazEnabled(
-                          widget.contact.publicKeyHex,
-                        )
+                        (connector.isContactSmazEnabled(
+                              widget.contact.publicKeyHex,
+                            ) ||
+                            connector.isContactCyr2LatEnabled(
+                              widget.contact.publicKeyHex,
+                            ))
                         ? (text) => connector.prepareContactOutboundText(
                             widget.contact,
                             text,
@@ -695,6 +699,18 @@ class _ChatScreenState extends State<ChatScreen> {
       return;
     }
 
+    // This is only for cyr2lat compression - to see the message being sent in the same format as the other person will receive
+    try {
+      if (connector.isContactCyr2LatEnabled(
+        _resolveContact(connector).publicKeyHex,
+      )) {
+        outgoingText = Cyr2Lat.encode(outgoingText);
+      }
+    } catch (_) {
+      // TODO maybe log
+    }
+    // end transform
+
     _textController.clear();
     _textFieldFocusNode.requestFocus();
     connector.sendMessage(
@@ -1196,8 +1212,12 @@ class _ChatScreenState extends State<ChatScreen> {
   void _showContactSettings(BuildContext context) {
     final connector = Provider.of<MeshCoreConnector>(context, listen: false);
     connector.ensureContactSmazSettingLoaded(widget.contact.publicKeyHex);
+    connector.ensureContactCyr2LatSettingLoaded(widget.contact.publicKeyHex);
     final contact = widget.contact;
     bool smazEnabled = connector.isContactSmazEnabled(contact.publicKeyHex);
+    bool cyr2latEnabled = connector.isContactCyr2LatEnabled(
+      contact.publicKeyHex,
+    );
     bool teleBaseEnabled = contact.teleBaseEnabled;
     bool teleLocEnabled = contact.teleLocEnabled;
     bool teleEnvEnabled = contact.teleEnvEnabled;
@@ -1228,7 +1248,39 @@ class _ChatScreenState extends State<ChatScreen> {
                       contact.publicKeyHex,
                       value,
                     );
-                    setDialogState(() => smazEnabled = value);
+                    connector.setContactCyr2LatEnabled(
+                      contact.publicKeyHex,
+                      false,
+                    );
+                    setDialogState(() {
+                      smazEnabled = value;
+                      if (smazEnabled) {
+                        cyr2latEnabled = false;
+                      }
+                    });
+                  },
+                ),
+                const Divider(height: 8),
+                SwitchListTile(
+                  contentPadding: EdgeInsets.zero,
+                  title: Text(context.l10n.channels_cyr2latCompression),
+                  subtitle: Text(context.l10n.channels_cyr2latCompressionDscr),
+                  value: cyr2latEnabled,
+                  onChanged: (value) {
+                    connector.setContactCyr2LatEnabled(
+                      contact.publicKeyHex,
+                      value,
+                    );
+                    connector.setContactSmazEnabled(
+                      contact.publicKeyHex,
+                      false,
+                    );
+                    setDialogState(() {
+                      cyr2latEnabled = value;
+                      if (cyr2latEnabled) {
+                        smazEnabled = false;
+                      }
+                    });
                   },
                 ),
                 const Divider(height: 8),
diff --git a/lib/services/app_settings_service.dart b/lib/services/app_settings_service.dart
index 283ce726..820fe0ec 100644
--- a/lib/services/app_settings_service.dart
+++ b/lib/services/app_settings_service.dart
@@ -4,6 +4,7 @@ import '../models/app_settings.dart';
 import '../models/translation_support.dart';
 import '../storage/prefs_manager.dart';
 import '../utils/app_logger.dart';
+import '../helpers/cyr2lat.dart';
 
 class AppSettingsService extends ChangeNotifier {
   static const String _settingsKey = 'app_settings';
@@ -32,16 +33,22 @@ class AppSettingsService extends ChangeNotifier {
       try {
         final json = jsonDecode(jsonStr) as Map<String, dynamic>;
         _settings = AppSettings.fromJson(json);
+        Cyr2Lat.setCharMap(_settings.cyr2latCharMap);
         notifyListeners();
       } catch (e) {
         // If parsing fails, use defaults
         _settings = AppSettings();
+        Cyr2Lat.setCharMap(_settings.cyr2latCharMap);
       }
+    } else {
+      _settings = AppSettings();
+      Cyr2Lat.setCharMap(_settings.cyr2latCharMap);
     }
   }
 
   Future<void> updateSettings(AppSettings newSettings) async {
     _settings = newSettings;
+    Cyr2Lat.setCharMap(_settings.cyr2latCharMap);
     notifyListeners();
 
     final prefs = PrefsManager.instance;
diff --git a/lib/storage/channel_settings_store.dart b/lib/storage/channel_settings_store.dart
index 276826d7..eb637acd 100644
--- a/lib/storage/channel_settings_store.dart
+++ b/lib/storage/channel_settings_store.dart
@@ -3,12 +3,14 @@ import 'prefs_manager.dart';
 
 class ChannelSettingsStore {
   static const String _keyPrefix = 'channel_smaz_';
+  static const String _cyr2latKeyPrefix = 'channel_cyr2lat_';
 
   String publicKeyHex = '';
   set setPublicKeyHex(String value) =>
       publicKeyHex = value.length > 10 ? value.substring(0, 10) : '';
 
   String get keyFor => '$_keyPrefix$publicKeyHex';
+  String get keyForCyr2Lat => '$_cyr2latKeyPrefix$publicKeyHex';
 
   Future<bool> loadSmazEnabled(int channelIndex) async {
     if (publicKeyHex.isEmpty) {
@@ -20,7 +22,7 @@ class ChannelSettingsStore {
     final prefs = PrefsManager.instance;
     final key = '$keyFor$channelIndex';
     final oldKey = '$_keyPrefix$channelIndex';
-    bool? enabled = prefs.getBool(oldKey);
+    bool? enabled = prefs.getBool(key);
     if (enabled == null) {
       // Attempt migration from legacy unscoped key on first load
       enabled = prefs.getBool(oldKey);
@@ -46,4 +48,41 @@ class ChannelSettingsStore {
     final key = '$keyFor$channelIndex';
     await prefs.setBool(key, enabled);
   }
+
+  Future<bool> loadCyr2LatEnabled(int channelIndex) async {
+    if (publicKeyHex.isEmpty) {
+      appLogger.warn(
+        'Public key hex is not set. Cannot load channel Cyr2Lat settings.',
+      );
+      return false;
+    }
+    final prefs = PrefsManager.instance;
+    final key = '$keyForCyr2Lat$channelIndex';
+    final oldKey = '$_cyr2latKeyPrefix$channelIndex';
+    bool? enabled = prefs.getBool(key);
+    if (enabled == null) {
+      // Attempt migration from legacy unscoped key on first load
+      enabled = prefs.getBool(oldKey);
+      prefs.remove(oldKey);
+      if (enabled != null) {
+        appLogger.info(
+          'Migrating channel Cyr2Lat settings from legacy key $oldKey to scoped key $key',
+        );
+        await prefs.setBool(key, enabled);
+      }
+    }
+    return enabled ?? false;
+  }
+
+  Future<void> saveCyr2LatEnabled(int channelIndex, bool enabled) async {
+    if (publicKeyHex.isEmpty) {
+      appLogger.warn(
+        'Public key hex is not set. Cannot save channel Cyr2Lat settings.',
+      );
+      return;
+    }
+    final prefs = PrefsManager.instance;
+    final key = '$keyForCyr2Lat$channelIndex';
+    await prefs.setBool(key, enabled);
+  }
 }
diff --git a/lib/storage/contact_settings_store.dart b/lib/storage/contact_settings_store.dart
index 94c6430e..5db15add 100644
--- a/lib/storage/contact_settings_store.dart
+++ b/lib/storage/contact_settings_store.dart
@@ -3,12 +3,14 @@ import 'prefs_manager.dart';
 
 class ContactSettingsStore {
   static const String _keyPrefix = 'contact_smaz_';
+  static const String _cyr2latKeyPrefix = 'contact_cyr2lat_';
 
   String publicKeyHex = '';
   set setPublicKeyHex(String value) =>
       publicKeyHex = value.length > 10 ? value.substring(0, 10) : '';
 
   String get keyFor => '$_keyPrefix$publicKeyHex';
+  String get keyForCyr2Lat => '$_cyr2latKeyPrefix$publicKeyHex';
 
   Future<bool> loadSmazEnabled(String contactKeyHex) async {
     if (publicKeyHex.isEmpty) {
@@ -46,4 +48,41 @@ class ContactSettingsStore {
     final key = '$keyFor$contactKeyHex';
     await prefs.setBool(key, enabled);
   }
+
+  Future<bool> loadCyr2LatEnabled(String contactKeyHex) async {
+    if (publicKeyHex.isEmpty) {
+      appLogger.warn(
+        'Public key hex is not set. Cannot load contact Cyr2Lat settings.',
+      );
+      return false;
+    }
+    final prefs = PrefsManager.instance;
+    final key = '$keyForCyr2Lat$contactKeyHex';
+    final oldKey = '$_cyr2latKeyPrefix$contactKeyHex';
+    bool? enabled = prefs.getBool(key);
+    if (enabled == null) {
+      // Attempt migration from legacy unscoped key on first load
+      enabled = prefs.getBool(oldKey);
+      prefs.remove(oldKey);
+      if (enabled != null) {
+        appLogger.info(
+          'Migrating contact Cyr2Lat settings from legacy key $oldKey to scoped key $key',
+        );
+        await prefs.setBool(key, enabled);
+      }
+    }
+    return prefs.getBool(key) ?? false;
+  }
+
+  Future<void> saveCyr2LatEnabled(String contactKeyHex, bool enabled) async {
+    if (publicKeyHex.isEmpty) {
+      appLogger.warn(
+        'Public key hex is not set. Cannot save contact Cyr2Lat settings.',
+      );
+      return;
+    }
+    final prefs = PrefsManager.instance;
+    final key = '$keyForCyr2Lat$contactKeyHex';
+    await prefs.setBool(key, enabled);
+  }
 }