diff --git a/bun.lock b/bun.lock
index 5f50da6e8..54dbf83e0 100644
--- a/bun.lock
+++ b/bun.lock
@@ -153,7 +153,10 @@
       "name": "@open-pencil/vue",
       "version": "0.10.0",
       "dependencies": {
+        "@nanostores/i18n": "^1.2.2",
+        "@nanostores/vue": "^1.1.0",
         "@vueuse/core": "^14.2.1",
+        "nanostores": "^1.2.0",
       },
       "peerDependencies": {
         "@open-pencil/core": "workspace:*",
@@ -676,6 +679,10 @@
 
     "@multiformats/multiaddr-to-uri": ["@multiformats/multiaddr-to-uri@11.0.2", "", { "dependencies": { "@multiformats/multiaddr": "^12.3.0" } }, "sha512-SiLFD54zeOJ0qMgo9xv1Tl9O5YktDKAVDP4q4hL16mSq4O4sfFNagNADz8eAofxd6TfQUzGQ3TkRRG9IY2uHRg=="],
 
+    "@nanostores/i18n": ["@nanostores/i18n@1.2.2", "", { "peerDependencies": { "nanostores": "^0.9.0 || ^0.10.0 || ^0.11.0 || ^1.0.0" } }, "sha512-5LLxl95+ZI46MrM/Kn7YjORKsD7+Xy2tgjZ7/oDT/BGPEiaBM9lK89/afeK+BqaQL0Xd9Xaa5MPuuVSyWAo+/w=="],
+
+    "@nanostores/vue": ["@nanostores/vue@1.1.0", "", { "peerDependencies": { "@nanostores/logger": "^0.4.0 || ^1.0.0", "@vue/devtools-api": ">=7.6.2", "nanostores": "^0.11.3 || ^1.0.0", "vue": ">=3.3.1" }, "optionalPeers": ["@nanostores/logger", "@vue/devtools-api"] }, "sha512-14eY8/YA0AbtWkAjk8zHKxbjcuPubF+M7y9afQzg2b5VqRJcashwA0100vprau13BTBSynUmU6ZsU6x03YidjA=="],
+
     "@napi-rs/wasm-runtime": ["@napi-rs/wasm-runtime@1.1.1", "", { "dependencies": { "@emnapi/core": "^1.7.1", "@emnapi/runtime": "^1.7.1", "@tybys/wasm-util": "^0.10.1" } }, "sha512-p64ah1M1ld8xjWv3qbvFwHiFVWrq1yFvV4f7w+mzaqiR4IlSgkqhcRdHwsGgomwzBH51sRY4NEowLxnaBjcW/A=="],
 
     "@noble/ciphers": ["@noble/ciphers@1.3.0", "", {}, "sha512-2I0gnIVPtfnMw9ee9h1dJG7tp81+8Ob3OJb3Mv37rx5L40/b0i7djjCVvGOVqc9AEIQyvyu1i6ypKdFw8R8gQw=="],
@@ -1976,6 +1983,8 @@
 
     "nanoid": ["nanoid@3.3.11", "", { "bin": { "nanoid": "bin/nanoid.cjs" } }, "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w=="],
 
+    "nanostores": ["nanostores@1.2.0", "", {}, "sha512-F0wCzbsH80G7XXo0Jd9/AVQC7ouWY6idUCTnMwW5t/Rv9W8qmO6endavDwg7TNp5GbugwSukFMVZqzPSrSMndg=="],
+
     "negotiator": ["negotiator@1.0.0", "", {}, "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg=="],
 
     "netmask": ["netmask@2.0.2", "", {}, "sha512-dBpDMdxv9Irdq66304OLfEmQ9tbNRFnFTuZiLo+bD+r332bBmMJ8GBLXklIXXgxd3+v9+KUnZaUR5PJMa75Gsg=="],
diff --git a/packages/core/src/fig-export.ts b/packages/core/src/fig-export.ts
index 97e29b681..094e9643e 100644
--- a/packages/core/src/fig-export.ts
+++ b/packages/core/src/fig-export.ts
@@ -304,6 +304,13 @@ export function compressFigData(
     return compressViaWorker(schemaDeflated, kiwiData, thumbnailPng, metaJson, imageEntries)
   }
   return Promise.resolve(
-    compressFigDataSync(schemaDeflated, kiwiData, thumbnailPng, metaJson, imageEntries, figKiwiVersion)
+    compressFigDataSync(
+      schemaDeflated,
+      kiwiData,
+      thumbnailPng,
+      metaJson,
+      imageEntries,
+      figKiwiVersion
+    )
   )
 }
diff --git a/packages/core/src/kiwi/kiwi-serialize.ts b/packages/core/src/kiwi/kiwi-serialize.ts
index 5b183e2c8..4f0a91907 100644
--- a/packages/core/src/kiwi/kiwi-serialize.ts
+++ b/packages/core/src/kiwi/kiwi-serialize.ts
@@ -304,10 +304,10 @@ function resolveTextAutoResize(node: SceneNode, graph: SceneGraph): SceneNode['t
   if (node.textAutoResize === 'NONE') return 'NONE'
   const parent = node.parentId ? graph.getNode(node.parentId) : undefined
   if (
-    parent
-    && parent.layoutMode !== 'NONE'
-    && parent.layoutMode !== 'GRID'
-    && node.layoutPositioning !== 'ABSOLUTE'
+    parent &&
+    parent.layoutMode !== 'NONE' &&
+    parent.layoutMode !== 'GRID' &&
+    node.layoutPositioning !== 'ABSOLUTE'
   ) {
     return 'NONE'
   }
@@ -418,10 +418,7 @@ function serializeVariableBindings(
   if (entries.length > 0) nc.variableConsumptionMap = { entries }
 }
 
-function computeExportTransform(
-  node: SceneNode,
-  graph: SceneGraph
-): Matrix {
+function computeExportTransform(node: SceneNode, graph: SceneGraph): Matrix {
   const sx = node.flipX ? -1 : 1
   const cos = Math.cos((node.rotation * Math.PI) / 180)
   const sin = Math.sin((node.rotation * Math.PI) / 180)
@@ -429,15 +426,18 @@ function computeExportTransform(
   // Auto-layout children should have (0,0) transform — Figma computes
   // their positions from the layout engine at render time.
   const parent = node.parentId ? graph.getNode(node.parentId) : undefined
-  const isAutoLayoutChild = parent
-    && parent.layoutMode !== 'NONE'
-    && parent.layoutMode !== 'GRID'
-    && node.layoutPositioning !== 'ABSOLUTE'
+  const isAutoLayoutChild =
+    parent &&
+    parent.layoutMode !== 'NONE' &&
+    parent.layoutMode !== 'GRID' &&
+    node.layoutPositioning !== 'ABSOLUTE'
 
   return {
-    m00: cos * sx, m01: -sin,
+    m00: cos * sx,
+    m01: -sin,
     m02: isAutoLayoutChild ? 0 : node.x,
-    m10: sin * sx, m11: cos,
+    m10: sin * sx,
+    m11: cos,
     m12: isAutoLayoutChild ? 0 : node.y
   }
 }
@@ -477,7 +477,7 @@ export function sceneNodeToKiwi(
     size: { x: node.width, y: node.height },
     transform: computeExportTransform(node, graph),
     strokeWeight: node.strokes.length > 0 ? node.strokes[0].weight : 1,
-    strokeAlign: node.strokes.length > 0 ? node.strokes[0].align : 'INSIDE',
+    strokeAlign: node.strokes.length > 0 ? node.strokes[0].align : 'INSIDE'
   }
 
   if (node.independentStrokeWeights) {
diff --git a/packages/core/src/scene-graph.ts b/packages/core/src/scene-graph.ts
index 5c57e3296..91c02a6ed 100644
--- a/packages/core/src/scene-graph.ts
+++ b/packages/core/src/scene-graph.ts
@@ -371,9 +371,10 @@ function createDefaultNode(type: NodeType, overrides: Partial<SceneNode> = {}):
     width: 100,
     height: 100,
     rotation: 0,
-    fills: type === 'TEXT'
-      ? [{ type: 'SOLID' as const, color: { r: 0, g: 0, b: 0, a: 1 }, opacity: 1, visible: true }]
-      : [],
+    fills:
+      type === 'TEXT'
+        ? [{ type: 'SOLID' as const, color: { r: 0, g: 0, b: 0, a: 1 }, opacity: 1, visible: true }]
+        : [],
     strokes: [],
     effects: [],
     opacity: 1,
diff --git a/packages/vue/package.json b/packages/vue/package.json
index c111279d5..88253b9b6 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -47,6 +47,9 @@
     }
   },
   "dependencies": {
-    "@vueuse/core": "^14.2.1"
+    "@nanostores/i18n": "^1.2.2",
+    "@nanostores/vue": "^1.1.0",
+    "@vueuse/core": "^14.2.1",
+    "nanostores": "^1.2.0"
   }
 }
diff --git a/packages/vue/src/i18n/i18n.ts b/packages/vue/src/i18n/i18n.ts
new file mode 100644
index 000000000..099401253
--- /dev/null
+++ b/packages/vue/src/i18n/i18n.ts
@@ -0,0 +1,14 @@
+import { createI18n } from '@nanostores/i18n'
+
+import { locale } from './locale'
+
+import type { Locale } from './locale'
+import type { ComponentsJSON } from '@nanostores/i18n'
+
+export const i18n = createI18n<Locale, 'en'>(locale, {
+  baseLocale: 'en',
+  async get(code) {
+    const mod = (await import(`../locales/${code}.json`)) as { default: ComponentsJSON }
+    return mod.default
+  }
+})
diff --git a/packages/vue/src/i18n/index.ts b/packages/vue/src/i18n/index.ts
new file mode 100644
index 000000000..fb1ecf6cd
--- /dev/null
+++ b/packages/vue/src/i18n/index.ts
@@ -0,0 +1,11 @@
+export { useI18n } from './useI18n'
+export { locale, localeSetting, setLocale, AVAILABLE_LOCALES } from './locale'
+export type { Locale } from './locale'
+export {
+  menuMessages,
+  commandMessages,
+  toolMessages,
+  panelMessages,
+  pageMessages,
+  dialogMessages
+} from './messages'
diff --git a/packages/vue/src/i18n/locale.ts b/packages/vue/src/i18n/locale.ts
new file mode 100644
index 000000000..67bb4f4e7
--- /dev/null
+++ b/packages/vue/src/i18n/locale.ts
@@ -0,0 +1,23 @@
+import { browser, localeFrom } from '@nanostores/i18n'
+import { atom } from 'nanostores'
+
+export const AVAILABLE_LOCALES = ['en', 'de', 'es', 'fr', 'it', 'pl', 'ru'] as const
+export type Locale = (typeof AVAILABLE_LOCALES)[number]
+
+export const localeSetting = atom<Locale | undefined>(undefined)
+
+export const locale = localeFrom(localeSetting, browser({ available: AVAILABLE_LOCALES }))
+
+export function setLocale(code: Locale) {
+  localeSetting.set(code)
+  if (typeof localStorage !== 'undefined') {
+    localStorage.setItem('open-pencil-locale', code)
+  }
+}
+
+if (typeof localStorage !== 'undefined') {
+  const saved = localStorage.getItem('open-pencil-locale') as Locale | null
+  if (saved && AVAILABLE_LOCALES.includes(saved)) {
+    localeSetting.set(saved)
+  }
+}
diff --git a/packages/vue/src/i18n/messages.ts b/packages/vue/src/i18n/messages.ts
new file mode 100644
index 000000000..b34959d8d
--- /dev/null
+++ b/packages/vue/src/i18n/messages.ts
@@ -0,0 +1,130 @@
+import { params } from '@nanostores/i18n'
+
+import { i18n } from './i18n'
+
+export const menuMessages = i18n('menu', {
+  file: 'File',
+  edit: 'Edit',
+  view: 'View',
+  object: 'Object',
+  arrange: 'Arrange',
+  text: 'Text',
+
+  new: 'New',
+  open: 'Open…',
+  save: 'Save',
+  saveAs: 'Save as…',
+  exportSelection: 'Export selection…',
+  autosave: 'Auto-save to local file',
+
+  copy: 'Copy',
+  paste: 'Paste',
+
+  zoomIn: 'Zoom in',
+  zoomOut: 'Zoom out',
+  profiler: 'Performance profiler',
+
+  moveToPage: 'Move to page',
+  createInstance: 'Create instance',
+
+  bold: 'Bold',
+  italic: 'Italic',
+  underline: 'Underline'
+})
+
+export const commandMessages = i18n('commands', {
+  undo: 'Undo',
+  redo: 'Redo',
+  selectAll: 'Select all',
+  duplicate: 'Duplicate',
+  delete: 'Delete',
+  group: 'Group',
+  ungroup: 'Ungroup',
+  createComponent: 'Create component',
+  createComponentSet: 'Create component set',
+  createInstance: 'Create instance',
+  detachInstance: 'Detach instance',
+  goToMainComponent: 'Go to main component',
+  addAutoLayout: 'Add auto layout',
+  bringToFront: 'Bring to front',
+  sendToBack: 'Send to back',
+  toggleVisibility: 'Toggle visibility',
+  toggleLock: 'Toggle lock',
+  moveToPage: 'Move to page',
+  zoomTo100: 'Zoom to 100%',
+  zoomToFit: 'Zoom to fit',
+  zoomToSelection: 'Zoom to selection'
+})
+
+export const toolMessages = i18n('tools', {
+  move: 'Move',
+  frame: 'Frame',
+  section: 'Section',
+  rectangle: 'Rectangle',
+  ellipse: 'Ellipse',
+  line: 'Line',
+  polygon: 'Polygon',
+  star: 'Star',
+  pen: 'Pen',
+  text: 'Text',
+  hand: 'Hand'
+})
+
+export const panelMessages = i18n('panels', {
+  layers: 'Layers',
+  design: 'Design',
+  code: 'Code',
+  assets: 'Assets',
+
+  position: 'Position',
+  layout: 'Layout',
+  appearance: 'Appearance',
+  fill: 'Fill',
+  stroke: 'Stroke',
+  effects: 'Effects',
+  export: 'Export',
+  typography: 'Typography',
+  variables: 'Variables',
+  constraints: 'Constraints',
+
+  addFill: 'Add fill',
+  addStroke: 'Add stroke',
+  addEffect: 'Add effect',
+  addExport: 'Add export',
+
+  dropShadow: 'Drop shadow',
+  innerShadow: 'Inner shadow',
+  layerBlur: 'Layer blur',
+  backgroundBlur: 'Background blur',
+
+  noSelection: 'No selection',
+  mixed: 'Mixed',
+
+  solid: 'Solid',
+  linearGradient: 'Linear',
+  radialGradient: 'Radial',
+  image: 'Image',
+
+  alignLeft: 'Align left',
+  alignCenter: 'Align center',
+  alignRight: 'Align right',
+  alignTop: 'Align top',
+  alignMiddle: 'Align middle',
+  alignBottom: 'Align bottom'
+})
+
+export const pageMessages = i18n('pages', {
+  newPage: 'New page',
+  rename: 'Rename',
+  delete: 'Delete',
+  pageName: params('Page {number}')
+})
+
+export const dialogMessages = i18n('dialogs', {
+  cancel: 'Cancel',
+  apply: 'Apply',
+  close: 'Close',
+  ok: 'OK',
+  search: 'Search…',
+  noResults: 'No results'
+})
diff --git a/packages/vue/src/i18n/useI18n.ts b/packages/vue/src/i18n/useI18n.ts
new file mode 100644
index 000000000..66061592a
--- /dev/null
+++ b/packages/vue/src/i18n/useI18n.ts
@@ -0,0 +1,46 @@
+import { useStore } from '@nanostores/vue'
+
+import { locale, setLocale, AVAILABLE_LOCALES } from './locale'
+import {
+  menuMessages,
+  commandMessages,
+  toolMessages,
+  panelMessages,
+  pageMessages,
+  dialogMessages
+} from './messages'
+
+import type { Locale } from './locale'
+import type { Ref } from 'vue'
+
+/**
+ * Reactive i18n composable for OpenPencil Vue components.
+ *
+ * Returns reactive translation objects grouped by domain, plus locale
+ * controls. All values update automatically when the locale changes.
+ *
+ * @example
+ * ```vue
+ * <script setup>
+ * const { menu, commands, locale, setLocale } = useI18n()
+ * </script>
+ *
+ * <template>
+ *   <button>{{ menu.save }}</button>
+ *   <span>{{ commands.undo }}</span>
+ * </template>
+ * ```
+ */
+export function useI18n() {
+  return {
+    menu: useStore(menuMessages),
+    commands: useStore(commandMessages),
+    tools: useStore(toolMessages),
+    panels: useStore(panelMessages),
+    pages: useStore(pageMessages),
+    dialogs: useStore(dialogMessages),
+    locale: useStore(locale) as Ref<Locale>,
+    availableLocales: AVAILABLE_LOCALES,
+    setLocale
+  }
+}
diff --git a/packages/vue/src/index.ts b/packages/vue/src/index.ts
index 9f8b29863..f04e96015 100644
--- a/packages/vue/src/index.ts
+++ b/packages/vue/src/index.ts
@@ -86,3 +86,16 @@ export type { ScrubInputContext } from './ScrubInput'
 export { TypographyControlsRoot } from './TypographyControls'
 export { ToolbarRoot, ToolbarItem, useToolbar } from './Toolbar'
 export type { ToolbarContext } from './Toolbar'
+
+/** Internationalization. */
+export { useI18n } from './i18n'
+export { locale, localeSetting, setLocale, AVAILABLE_LOCALES } from './i18n'
+export type { Locale } from './i18n'
+export {
+  menuMessages,
+  commandMessages,
+  toolMessages,
+  panelMessages,
+  pageMessages,
+  dialogMessages
+} from './i18n'
diff --git a/packages/vue/src/locales/ru.json b/packages/vue/src/locales/ru.json
new file mode 100644
index 000000000..f04d26f04
--- /dev/null
+++ b/packages/vue/src/locales/ru.json
@@ -0,0 +1,112 @@
+{
+  "menu": {
+    "file": "Файл",
+    "edit": "Правка",
+    "view": "Вид",
+    "object": "Объект",
+    "arrange": "Порядок",
+    "text": "Текст",
+    "new": "Создать",
+    "open": "Открыть…",
+    "save": "Сохранить",
+    "saveAs": "Сохранить как…",
+    "exportSelection": "Экспорт выделения…",
+    "autosave": "Автосохранение в файл",
+    "copy": "Копировать",
+    "paste": "Вставить",
+    "zoomIn": "Увеличить",
+    "zoomOut": "Уменьшить",
+    "profiler": "Профилирование",
+    "moveToPage": "Переместить на страницу",
+    "createInstance": "Создать экземпляр",
+    "bold": "Жирный",
+    "italic": "Курсив",
+    "underline": "Подчёркнутый"
+  },
+  "commands": {
+    "undo": "Отменить",
+    "redo": "Повторить",
+    "selectAll": "Выделить всё",
+    "duplicate": "Дублировать",
+    "delete": "Удалить",
+    "group": "Сгруппировать",
+    "ungroup": "Разгруппировать",
+    "createComponent": "Создать компонент",
+    "createComponentSet": "Создать набор компонентов",
+    "createInstance": "Создать экземпляр",
+    "detachInstance": "Отвязать экземпляр",
+    "goToMainComponent": "Перейти к компоненту",
+    "addAutoLayout": "Добавить авто-раскладку",
+    "bringToFront": "На передний план",
+    "sendToBack": "На задний план",
+    "toggleVisibility": "Видимость",
+    "toggleLock": "Блокировка",
+    "moveToPage": "Переместить на страницу",
+    "zoomTo100": "Масштаб 100%",
+    "zoomToFit": "Вписать в экран",
+    "zoomToSelection": "Масштаб по выделению"
+  },
+  "tools": {
+    "move": "Перемещение",
+    "frame": "Фрейм",
+    "section": "Секция",
+    "rectangle": "Прямоугольник",
+    "ellipse": "Эллипс",
+    "line": "Линия",
+    "polygon": "Многоугольник",
+    "star": "Звезда",
+    "pen": "Перо",
+    "text": "Текст",
+    "hand": "Рука"
+  },
+  "panels": {
+    "layers": "Слои",
+    "design": "Дизайн",
+    "code": "Код",
+    "assets": "Ассеты",
+    "position": "Позиция",
+    "layout": "Раскладка",
+    "appearance": "Внешний вид",
+    "fill": "Заливка",
+    "stroke": "Обводка",
+    "effects": "Эффекты",
+    "export": "Экспорт",
+    "typography": "Типографика",
+    "variables": "Переменные",
+    "constraints": "Ограничения",
+    "addFill": "Добавить заливку",
+    "addStroke": "Добавить обводку",
+    "addEffect": "Добавить эффект",
+    "addExport": "Добавить экспорт",
+    "dropShadow": "Тень",
+    "innerShadow": "Внутренняя тень",
+    "layerBlur": "Размытие слоя",
+    "backgroundBlur": "Размытие фона",
+    "noSelection": "Ничего не выделено",
+    "mixed": "Смешанное",
+    "solid": "Сплошной",
+    "linearGradient": "Линейный",
+    "radialGradient": "Радиальный",
+    "image": "Изображение",
+    "alignLeft": "По левому краю",
+    "alignCenter": "По центру",
+    "alignRight": "По правому краю",
+    "alignTop": "По верхнему краю",
+    "alignMiddle": "По середине",
+    "alignBottom": "По нижнему краю"
+  },
+  "pages": {
+    "newPage": "Новая страница",
+    "rename": "Переименовать",
+    "delete": "Удалить",
+    "pageName": "Страница {number}"
+  },
+  "dialogs": {
+    "cancel": "Отмена",
+    "apply": "Применить",
+    "close": "Закрыть",
+    "ok": "ОК",
+    "search": "Поиск…",
+    "noResults": "Ничего не найдено"
+  }
+}
diff --git a/packages/vue/tsconfig.json b/packages/vue/tsconfig.json
index 7e8f5cfe4..6a33bd6b6 100644
--- a/packages/vue/tsconfig.json
+++ b/packages/vue/tsconfig.json
@@ -10,7 +10,8 @@
     "outDir": "./dist",
     "rootDir": "./src",
     "skipLibCheck": true,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "resolveJsonModule": true
   },
   "include": ["src/**/*.ts", "src/**/*.vue"],
   "exclude": ["node_modules", "dist", "example"]
diff --git a/src/composables/use-keyboard.ts b/src/composables/use-keyboard.ts
index 247018abd..68f939baf 100644
--- a/src/composables/use-keyboard.ts
+++ b/src/composables/use-keyboard.ts
@@ -95,7 +95,7 @@ export function useKeyboard() {
   })
 
   // Spacebar hold → temporary Hand tool (Figma-style canvas pan)
-  let toolBeforeSpace: (typeof store.state.activeTool) | null = null
+  let toolBeforeSpace: typeof store.state.activeTool | null = null
 
   useEventListener(window, 'keydown', (e: KeyboardEvent) => {
     if (isEditing(e)) return