diff --git a/devtools_options.yaml b/devtools_options.yaml
new file mode 100644
index 000000000..fa0b357c4
--- /dev/null
+++ b/devtools_options.yaml
@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:
diff --git a/lib/model/entry/extensions/props.dart b/lib/model/entry/extensions/props.dart
index 1b231ea59..b231b5616 100644
--- a/lib/model/entry/extensions/props.dart
+++ b/lib/model/entry/extensions/props.dart
@@ -11,6 +11,7 @@ import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/text.dart';
 import 'package:aves/utils/android_file_utils.dart';
 import 'package:aves/utils/time_utils.dart';
+import 'package:intl/intl.dart';
 
 extension ExtraAvesEntryProps on AvesEntry {
   bool get isValid => !isMissingAtPath && sizeBytes != 0 && width > 0 && height > 0;
@@ -51,9 +52,10 @@ extension ExtraAvesEntryProps on AvesEntry {
 
   // text
 
-  String get resolutionText {
-    final ws = width;
-    final hs = height;
+  String getResolutionText(String locale) {
+    final numberFormat = NumberFormat('0', locale);
+    final ws = numberFormat.format(width);
+    final hs = numberFormat.format(height);
     return isRotated ? '$hs${AText.resolutionSeparator}$ws' : '$ws${AText.resolutionSeparator}$hs';
   }
 
diff --git a/lib/model/settings/enums/coordinate_format.dart b/lib/model/settings/enums/coordinate_format.dart
index ca5835744..cf90b4936 100644
--- a/lib/model/settings/enums/coordinate_format.dart
+++ b/lib/model/settings/enums/coordinate_format.dart
@@ -47,10 +47,11 @@ extension ExtraCoordinateFormat on CoordinateFormat {
     final min = minDecimal.toInt();
     final sec = (minDecimal - min) * 60;
 
-    var minText = NumberFormat('0' * (minuteSecondPadding ? 2 : 1), locale).format(min);
-    var secText = NumberFormat('${'0' * (minuteSecondPadding ? 2 : 1)}${secondDecimals > 0 ? '.${'0' * secondDecimals}' : ''}', locale).format(sec);
+    final degText = NumberFormat('0', locale).format(deg);
+    final minText = NumberFormat('0' * (minuteSecondPadding ? 2 : 1), locale).format(min);
+    final secText = NumberFormat('${'0' * (minuteSecondPadding ? 2 : 1)}${secondDecimals > 0 ? '.${'0' * secondDecimals}' : ''}', locale).format(sec);
 
-    return '$deg° $minText′ $secText″';
+    return '$degText° $minText′ $secText″';
   }
 
   static List<String> _toDecimal(AppLocalizations l10n, LatLng latLng) {
diff --git a/lib/ref/locales.dart b/lib/ref/locales.dart
index 1ce72cdd1..fc58e5c11 100644
--- a/lib/ref/locales.dart
+++ b/lib/ref/locales.dart
@@ -45,3 +45,13 @@ bool shouldUseNativeDigits(Locale? countrifiedLocale) {
       return true;
   }
 }
+
+bool canHaveLetterSpacing(String locale) {
+  switch (locale) {
+    case 'ar':
+    case 'fa':
+      return false;
+    default:
+      return true;
+  }
+}
diff --git a/lib/widgets/about/app_ref.dart b/lib/widgets/about/app_ref.dart
index 6a425e67c..8e7c2fb1c 100644
--- a/lib/widgets/about/app_ref.dart
+++ b/lib/widgets/about/app_ref.dart
@@ -1,5 +1,5 @@
-
 import 'package:aves/model/device.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/theme/icons.dart';
 import 'package:aves/widgets/about/policy_page.dart';
 import 'package:aves/widgets/common/basic/link_chip.dart';
@@ -10,13 +10,6 @@ import 'package:flutter/material.dart';
 class AppReference extends StatelessWidget {
   static const avesGithub = 'https://github.com/deckerst/aves';
 
-  static const _appTitleStyle = TextStyle(
-    fontSize: 20,
-    fontWeight: FontWeight.normal,
-    letterSpacing: 1.0,
-    fontFeatures: [FontFeature.enable('smcp')],
-  );
-
   const AppReference({super.key});
 
   @override
@@ -38,27 +31,35 @@ class AppReference extends StatelessWidget {
   }
 
   Widget _buildAvesLine(BuildContext context) {
+    final locale = context.l10n.localeName;
     final textScaler = MediaQuery.textScalerOf(context);
     return Row(
       mainAxisSize: MainAxisSize.min,
       children: [
         AvesLogo(
-          size: textScaler.scale(_appTitleStyle.fontSize!) * 1.3,
+          size: textScaler.scale(_getAppTitleStyle(locale).fontSize!) * 1.3,
         ),
         const SizedBox(width: 8),
         Text(
           context.l10n.appName,
-          style: _appTitleStyle,
+          style: _getAppTitleStyle(locale),
         ),
         const SizedBox(width: 8),
         Text(
           device.packageVersion,
-          style: _appTitleStyle,
+          style: _getAppTitleStyle(locale),
         ),
       ],
     );
   }
 
+  TextStyle _getAppTitleStyle(String locale) => TextStyle(
+        fontSize: 20,
+        fontWeight: FontWeight.normal,
+        letterSpacing: canHaveLetterSpacing(locale) ? 1 : 0,
+        fontFeatures: const [FontFeature.enable('smcp')],
+      );
+
   static List<Widget> buildLinks(BuildContext context) {
     final l10n = context.l10n;
     return [
diff --git a/lib/widgets/about/bug_report.dart b/lib/widgets/about/bug_report.dart
index 68802ae8d..bda875f29 100644
--- a/lib/widgets/about/bug_report.dart
+++ b/lib/widgets/about/bug_report.dart
@@ -122,6 +122,9 @@ class _BugReportState extends State<BugReport> with FeedbackMixin {
   }
 
   Widget _buildStep(int step, String text, String buttonText, VoidCallback onPressed) {
+    final locale = context.l10n.localeName;
+    final numberFormat = NumberFormat.decimalPattern(locale);
+
     final isMonochrome = settings.themeColorMode == AvesThemeColorMode.monochrome;
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: 4),
@@ -136,7 +139,7 @@ class _BugReportState extends State<BugReport> with FeedbackMixin {
               )),
               shape: BoxShape.circle,
             ),
-            child: Text('$step'),
+            child: Text(numberFormat.format(step)),
           ),
           const SizedBox(width: 8),
           Expanded(child: Text(text)),
diff --git a/lib/widgets/common/action_mixins/feedback.dart b/lib/widgets/common/action_mixins/feedback.dart
index 90495cb1f..a478780b9 100644
--- a/lib/widgets/common/action_mixins/feedback.dart
+++ b/lib/widgets/common/action_mixins/feedback.dart
@@ -218,6 +218,9 @@ class _ReportOverlayState<T> extends State<ReportOverlay<T>> with SingleTickerPr
 
   @override
   Widget build(BuildContext context) {
+    final locale = context.l10n.localeName;
+    final percentFormat = NumberFormat.percentPattern(locale);
+
     final theme = Theme.of(context);
     final colorScheme = theme.colorScheme;
     final progressColor = colorScheme.primary;
@@ -230,7 +233,6 @@ class _ReportOverlayState<T> extends State<ReportOverlay<T>> with SingleTickerPr
           final processedCount = processed.length.toDouble();
           final total = widget.itemCount;
           final percent = total == null || total == 0 ? 0.0 : min(1.0, processedCount / total);
-          final percentFormat = NumberFormat.percentPattern();
           return FadeTransition(
             opacity: _animation,
             child: Stack(
@@ -351,6 +353,9 @@ class _FeedbackMessageState extends State<_FeedbackMessage> with SingleTickerPro
 
   @override
   Widget build(BuildContext context) {
+    final locale = context.l10n.localeName;
+    final numberFormat = NumberFormat('0', locale);
+
     final textScaler = MediaQuery.textScalerOf(context);
     final theme = Theme.of(context);
     final colorScheme = theme.colorScheme;
@@ -388,7 +393,7 @@ class _FeedbackMessageState extends State<_FeedbackMessage> with SingleTickerPro
                 // because we cannot use the app context theme here
                 foreground: widget.progressColor,
                 center: ChangeHighlightText(
-                  '${(remainingDurationMillis / 1000).ceil()}',
+                  numberFormat.format((remainingDurationMillis / 1000).ceil()),
                   style: contentTextStyle.copyWith(
                     shadows: [
                       Shadow(
diff --git a/lib/widgets/common/identity/highlight_title.dart b/lib/widgets/common/identity/highlight_title.dart
index 76c1fa4c9..53ad36e0a 100644
--- a/lib/widgets/common/identity/highlight_title.dart
+++ b/lib/widgets/common/identity/highlight_title.dart
@@ -1,8 +1,9 @@
-
 import 'package:aves/model/settings/settings.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/theme/colors.dart';
 import 'package:aves/theme/themes.dart';
 import 'package:aves/widgets/common/basic/text/outlined.dart';
+import 'package:aves/widgets/common/extensions/build_context.dart';
 import 'package:aves/widgets/common/extensions/theme.dart';
 import 'package:aves/widgets/common/fx/highlight_decoration.dart';
 import 'package:aves_model/aves_model.dart';
@@ -40,7 +41,7 @@ class HighlightTitle extends StatelessWidget {
     final style = TextStyle(
       shadows: shadows(context),
       fontSize: fontSize,
-      letterSpacing: 1.0,
+      letterSpacing: canHaveLetterSpacing(context.l10n.localeName) ? 1 : 0,
       fontFeatures: const [FontFeature.enable('smcp')],
     );
 
diff --git a/lib/widgets/common/map/geo_map.dart b/lib/widgets/common/map/geo_map.dart
index d59476297..ee9bec0aa 100644
--- a/lib/widgets/common/map/geo_map.dart
+++ b/lib/widgets/common/map/geo_map.dart
@@ -146,9 +146,11 @@ class _GeoMapState extends State<GeoMap> {
       selector: (context, s) => s.mapStyle,
       builder: (context, mapStyle, child) {
         final isHeavy = ExtraEntryMapStyle.isHeavy(mapStyle);
+        final locale = context.l10n.localeName;
         Widget _buildMarkerWidget(MarkerKey<AvesEntry> key) => ImageMarker(
               key: key,
               count: key.count,
+              locale: locale,
               buildThumbnailImage: (extent) => ThumbnailImage(
                 entry: key.entry,
                 extent: extent,
@@ -482,9 +484,11 @@ class _GeoMapState extends State<GeoMap> {
     } else {
       markerEntry = geoEntry.entry!;
     }
+    final locale = context.l10n.localeName;
     final markerLocation = LatLng(geoEntry.latitude!, geoEntry.longitude!);
     Widget markerBuilder(BuildContext context) => ImageMarker(
           count: geoEntry.pointsSize,
+          locale: locale,
           drawArrow: false,
           buildThumbnailImage: (extent) => ThumbnailImage(
             entry: markerEntry,
diff --git a/lib/widgets/navigation/drawer/app_drawer.dart b/lib/widgets/navigation/drawer/app_drawer.dart
index 7a0978786..c04705690 100644
--- a/lib/widgets/navigation/drawer/app_drawer.dart
+++ b/lib/widgets/navigation/drawer/app_drawer.dart
@@ -1,4 +1,3 @@
-
 import 'package:aves/model/filters/album.dart';
 import 'package:aves/model/filters/trash.dart';
 import 'package:aves/model/settings/settings.dart';
@@ -8,6 +7,7 @@ import 'package:aves/model/source/collection_source.dart';
 import 'package:aves/model/source/location/country.dart';
 import 'package:aves/model/source/location/place.dart';
 import 'package:aves/model/source/tag.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/theme/durations.dart';
 import 'package:aves/theme/icons.dart';
 import 'package:aves/utils/android_file_utils.dart';
@@ -111,6 +111,9 @@ class _AppDrawerState extends State<AppDrawer> {
   }
 
   Widget _buildHeader(BuildContext context) {
+    final l10n = context.l10n;
+    final locale = l10n.localeName;
+
     Future<void> goTo(String routeName, WidgetBuilder pageBuilder) async {
       Navigator.maybeOf(context)?.pop();
       await Future.delayed(ADurations.drawerTransitionAnimation);
@@ -145,13 +148,13 @@ class _AppDrawerState extends State<AppDrawer> {
                   OutlinedText(
                     textSpans: [
                       TextSpan(
-                        text: context.l10n.appName,
-                        style: const TextStyle(
+                        text: l10n.appName,
+                        style: TextStyle(
                           color: Colors.white,
                           fontSize: 38,
                           fontWeight: FontWeight.w300,
-                          letterSpacing: 1.0,
-                          fontFeatures: [FontFeature.enable('smcp')],
+                          letterSpacing: canHaveLetterSpacing(locale) ? 1 : 0,
+                          fontFeatures: const [FontFeature.enable('smcp')],
                         ),
                       ),
                     ],
@@ -177,7 +180,7 @@ class _AppDrawerState extends State<AppDrawer> {
                     onPressed: () => goTo(AboutPage.routeName, (_) => const AboutPage()),
                     style: drawerButtonStyle,
                     icon: const Icon(AIcons.info),
-                    label: Text(context.l10n.drawerAboutButton),
+                    label: Text(l10n.drawerAboutButton),
                   ),
                   OutlinedButton.icon(
                     // key is expected by test driver
@@ -185,7 +188,7 @@ class _AppDrawerState extends State<AppDrawer> {
                     onPressed: () => goTo(SettingsPage.routeName, (_) => const SettingsPage()),
                     style: drawerButtonStyle,
                     icon: const Icon(AIcons.settings),
-                    label: Text(context.l10n.drawerSettingsButton),
+                    label: Text(l10n.drawerSettingsButton),
                   ),
                 ],
               ),
diff --git a/lib/widgets/navigation/tv_rail.dart b/lib/widgets/navigation/tv_rail.dart
index ff4c458f9..ee75292a1 100644
--- a/lib/widgets/navigation/tv_rail.dart
+++ b/lib/widgets/navigation/tv_rail.dart
@@ -6,6 +6,7 @@ import 'package:aves/model/settings/enums/home_page.dart';
 import 'package:aves/model/settings/settings.dart';
 import 'package:aves/model/source/collection_lens.dart';
 import 'package:aves/model/source/collection_source.dart';
+import 'package:aves/ref/locales.dart';
 import 'package:aves/widgets/about/about_page.dart';
 import 'package:aves/widgets/collection/collection_page.dart';
 import 'package:aves/widgets/common/basic/insets.dart';
@@ -90,6 +91,9 @@ class _TvRailState extends State<TvRail> {
 
   @override
   Widget build(BuildContext context) {
+    final l10n = context.l10n;
+    final locale = l10n.localeName;
+
     final navEntries = _getNavEntries(context);
     return DirectionalSafeArea(
       end: false,
@@ -103,13 +107,13 @@ class _TvRailState extends State<TvRail> {
                     logo,
                     const SizedBox(width: 16),
                     Text(
-                      context.l10n.appName,
-                      style: const TextStyle(
+                      l10n.appName,
+                      style: TextStyle(
                         color: Colors.white,
                         fontSize: 32,
                         fontWeight: FontWeight.w300,
-                        letterSpacing: 1.0,
-                        fontFeatures: [FontFeature.enable('smcp')],
+                        letterSpacing: canHaveLetterSpacing(locale) ? 1 : 0,
+                        fontFeatures: const [FontFeature.enable('smcp')],
                       ),
                     ),
                   ],
diff --git a/lib/widgets/stats/percent_text.dart b/lib/widgets/stats/percent_text.dart
index 362194d12..7bc62038c 100644
--- a/lib/widgets/stats/percent_text.dart
+++ b/lib/widgets/stats/percent_text.dart
@@ -1,21 +1,24 @@
 import 'package:aves/theme/styles.dart';
 import 'package:aves/theme/themes.dart';
 import 'package:aves/widgets/common/basic/text/outlined.dart';
+import 'package:aves/widgets/common/extensions/build_context.dart';
 import 'package:aves/widgets/common/extensions/theme.dart';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 
 class LinearPercentIndicatorText extends StatelessWidget {
   final double percent;
-  final percentFormat = NumberFormat.percentPattern();
 
-  LinearPercentIndicatorText({
+  const LinearPercentIndicatorText({
     super.key,
     required this.percent,
   });
 
   @override
   Widget build(BuildContext context) {
+    final locale = context.l10n.localeName;
+    final percentFormat = NumberFormat.percentPattern(locale);
+
     return OutlinedText(
       textSpans: [
         TextSpan(
diff --git a/lib/widgets/viewer/info/basic_section.dart b/lib/widgets/viewer/info/basic_section.dart
index 89b085091..123891051 100644
--- a/lib/widgets/viewer/info/basic_section.dart
+++ b/lib/widgets/viewer/info/basic_section.dart
@@ -32,6 +32,7 @@ import 'package:aves_model/aves_model.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
 import 'package:provider/provider.dart';
 
 class BasicSection extends StatefulWidget {
@@ -277,15 +278,6 @@ class _BasicInfoState extends State<_BasicInfo> {
 
   AvesEntry get entry => widget.entry;
 
-  int get megaPixels => (entry.width * entry.height / 1000000).round();
-
-  // guess whether this is a photo, according to file type
-  bool get isPhoto => [MimeTypes.heic, MimeTypes.heif, MimeTypes.jpeg, MimeTypes.tiff].contains(entry.mimeType) || entry.isRaw;
-
-  bool get showMegaPixels => isPhoto && megaPixels > 0;
-
-  String get rasterResolutionText => '${entry.resolutionText}${showMegaPixels ? ' • $megaPixels MP' : ''}';
-
   static const ownerPackageNamePropKey = 'owner_package_name';
   static const iconSize = 20.0;
 
@@ -331,7 +323,7 @@ class _BasicInfoState extends State<_BasicInfo> {
                 l10n.viewerInfoLabelTitle: title,
                 l10n.viewerInfoLabelDate: dateText,
                 if (entry.isVideo) ..._buildVideoRows(context),
-                if (showResolution) l10n.viewerInfoLabelResolution: context.applyDirectionality(rasterResolutionText),
+                if (showResolution) l10n.viewerInfoLabelResolution: context.applyDirectionality(getRasterResolutionText(locale)),
                 l10n.viewerInfoLabelSize: context.applyDirectionality(sizeText),
                 if (!entry.trashed) l10n.viewerInfoLabelUri: entry.uri,
                 if (path != null) l10n.viewerInfoLabelPath: path,
@@ -384,4 +376,20 @@ class _BasicInfoState extends State<_BasicInfo> {
           ),
         ];
   }
+
+  String getRasterResolutionText(String locale) {
+    var s = entry.getResolutionText(locale);
+
+    // guess whether this is a photo, according to file type
+    final isPhoto = [MimeTypes.heic, MimeTypes.heif, MimeTypes.jpeg, MimeTypes.tiff].contains(entry.mimeType) || entry.isRaw;
+    if (isPhoto) {
+      final numberFormat = NumberFormat('0', locale);
+      final megaPixels = (entry.width * entry.height / 1000000).round();
+      if (megaPixels > 0) {
+        s += ' • ${numberFormat.format(megaPixels)} MP';
+      }
+    }
+
+    return s;
+  }
 }
diff --git a/lib/widgets/viewer/info/color_section.dart b/lib/widgets/viewer/info/color_section.dart
index ca8d669e2..087e15f3e 100644
--- a/lib/widgets/viewer/info/color_section.dart
+++ b/lib/widgets/viewer/info/color_section.dart
@@ -69,9 +69,12 @@ class _ColorSectionSliverState extends State<ColorSectionSliver> {
                       children: [
                         ColorIndicator(value: v.color),
                         const SizedBox(width: 8),
-                        SelectableText(
-                          '#${v.color.hex}',
-                          style: const TextStyle(fontFamily: 'monospace'),
+                        Directionality(
+                          textDirection: TextDirection.ltr,
+                          child: SelectableText(
+                            '#${v.color.hex}',
+                            style: const TextStyle(fontFamily: 'monospace'),
+                          ),
                         ),
                       ],
                     ),
diff --git a/lib/widgets/viewer/overlay/details/date.dart b/lib/widgets/viewer/overlay/details/date.dart
index 480ce4c2e..af2425fc5 100644
--- a/lib/widgets/viewer/overlay/details/date.dart
+++ b/lib/widgets/viewer/overlay/details/date.dart
@@ -29,7 +29,7 @@ class OverlayDateRow extends StatelessWidget {
     final resolutionText = entry.isSvg
         ? entry.aspectRatioText
         : entry.isSized
-            ? entry.resolutionText
+            ? entry.getResolutionText(locale)
             : '';
 
     return Row(
diff --git a/plugins/aves_map/lib/src/marker/image.dart b/plugins/aves_map/lib/src/marker/image.dart
index 7b7e0fe9c..8ead5d7a2 100644
--- a/plugins/aves_map/lib/src/marker/image.dart
+++ b/plugins/aves_map/lib/src/marker/image.dart
@@ -4,10 +4,12 @@ import 'package:collection/collection.dart';
 import 'package:custom_rounded_rectangle_border/custom_rounded_rectangle_border.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
+import 'package:intl/intl.dart' as intl;
 import 'package:latlong2/latlong.dart';
 
 class ImageMarker extends StatelessWidget {
   final int? count;
+  final intl.NumberFormat numberFormat;
   final bool drawArrow;
   final Widget Function(double extent) buildThumbnailImage;
 
@@ -20,12 +22,13 @@ class ImageMarker extends StatelessWidget {
   static const innerRadius = Radius.circular(outerBorderRadiusDim - outerBorderWidth);
   static const innerBorderRadius = BorderRadius.all(innerRadius);
 
-  const ImageMarker({
+  ImageMarker({
     super.key,
     required this.count,
+    required String locale,
     this.drawArrow = true,
     required this.buildThumbnailImage,
-  });
+  }) : numberFormat = intl.NumberFormat.decimalPattern(locale);
 
   @override
   Widget build(BuildContext context) {
@@ -107,7 +110,7 @@ class ImageMarker extends StatelessWidget {
                     ),
             ),
             child: Text(
-              '$count',
+              numberFormat.format(count),
               style: TextStyle(
                 fontSize: 12,
                 color: theme.colorScheme.onPrimary,
diff --git a/plugins/aves_map/pubspec.lock b/plugins/aves_map/pubspec.lock
index 1ebdf7fbc..798d09d32 100644
--- a/plugins/aves_map/pubspec.lock
+++ b/plugins/aves_map/pubspec.lock
@@ -102,7 +102,7 @@ packages:
     source: hosted
     version: "4.0.2"
   intl:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: intl
       sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
diff --git a/plugins/aves_map/pubspec.yaml b/plugins/aves_map/pubspec.yaml
index e817211e7..906ea0919 100644
--- a/plugins/aves_map/pubspec.yaml
+++ b/plugins/aves_map/pubspec.yaml
@@ -15,6 +15,7 @@ dependencies:
   equatable:
   fluster:
   flutter_map:
+  intl:
   latlong2:
   provider: