diff --git a/components/publish/PublishWidget.vue b/components/publish/PublishWidget.vue
index 05646bc0..63e4d4c9 100644
--- a/components/publish/PublishWidget.vue
+++ b/components/publish/PublishWidget.vue
@@ -3,6 +3,7 @@ import type { Attachment, CreateStatusParams, Status, StatusVisibility } from 'm
 import { fileOpen } from 'browser-fs-access'
 import { useDropZone } from '@vueuse/core'
 import { EditorContent } from '@tiptap/vue-3'
+import ISO6391 from 'iso-639-1'
 import type { Draft } from '~/types'
 
 type FileUploadError = [filename: string, message: string]
@@ -135,6 +136,10 @@ function chooseVisibility(visibility: StatusVisibility) {
   draft.params.visibility = visibility
 }
 
+function chooseLanguage(language: string | null) {
+  draft.params.language = language
+}
+
 async function publish() {
   const payload = {
     ...draft.params,
@@ -323,6 +328,41 @@ defineExpose({
           </button>
         </CommonTooltip>
 
+        <CommonTooltip placement="top" :content="$t('tooltip.change_language')">
+          <CommonDropdown placement="bottom">
+            <button btn-action-icon :aria-label="$t('tooltip.change_language')">
+              <div i-ri:translate-2 />
+              <div i-ri:arrow-down-s-line text-sm text-secondary me--1 />
+            </button>
+
+            <template #popper>
+              <div min-w-80 p3>
+                <!-- TODO search lang -->
+                <!-- <input
+                  placeholder="Search"
+                  p2 mb2 border-rounded w-full bg-transparent
+                  outline-none border="~ base"
+                > -->
+                <div max-h-40vh overflow-auto>
+                  <CommonDropdownItem
+                    v-for="code in [null, ...ISO6391.getAllCodes()]"
+                    :key="code"
+                    :checked="code === (draft.params.language || null)"
+                    @click="chooseLanguage(code)"
+                  >
+                    {{ code ? ISO6391.getNativeName(code) : 'None' }}
+                    <template #description>
+                      <template v-if="code">
+                        {{ ISO6391.getName(code) }}
+                      </template>
+                    </template>
+                  </CommonDropdownItem>
+                </div>
+              </div>
+            </template>
+          </CommonDropdown>
+        </CommonTooltip>
+
         <CommonTooltip placement="bottom" :content="$t('tooltip.change_content_visibility')">
           <CommonDropdown>
             <button :aria-label="$t('tooltip.change_content_visibility')" btn-action-icon w-12>
diff --git a/locales/en-GB.json b/locales/en-GB.json
index a591236e..b7619b80 100644
--- a/locales/en-GB.json
+++ b/locales/en-GB.json
@@ -347,6 +347,7 @@
     "add_content_warning": "Add content warning",
     "add_media": "Add images, a video or an audio file",
     "change_content_visibility": "Change content visibility",
+    "change_language": "Change language",
     "emoji": "Emoji",
     "explore_links_intro": "These news stories are being talked about by people on this and other servers of the decentralized network right now.",
     "explore_posts_intro": "These posts from this and other servers in the decentralized network are gaining traction on this server right now.",
diff --git a/locales/en-US.json b/locales/en-US.json
index 06a2e47d..6e67b95a 100644
--- a/locales/en-US.json
+++ b/locales/en-US.json
@@ -350,6 +350,7 @@
     "add_content_warning": "Add content warning",
     "add_media": "Add images, a video or an audio file",
     "change_content_visibility": "Change content visibility",
+    "change_language": "Change language",
     "emoji": "Emoji",
     "explore_links_intro": "These news stories are being talked about by people on this and other servers of the decentralized network right now.",
     "explore_posts_intro": "These posts from this and other servers in the decentralized network are gaining traction on this server right now.",
diff --git a/locales/zh-CN.json b/locales/zh-CN.json
index cd738354..34a1f0b4 100644
--- a/locales/zh-CN.json
+++ b/locales/zh-CN.json
@@ -340,6 +340,7 @@
     "add_content_warning": "添加内容警告标识",
     "add_media": "添加图片、视频或者音频文件",
     "change_content_visibility": "修改内容是否可见",
+    "change_language": "更改语言",
     "emoji": "表情符号",
     "explore_links_intro": "这些新闻故事正被本站和分布式网络上其他站点的用户谈论。",
     "explore_posts_intro": "来自本站和分布式网络上其他站点的这些嘟文正在本站引起关注。",
diff --git a/locales/zh-TW.json b/locales/zh-TW.json
index e32b0a9a..e0839071 100644
--- a/locales/zh-TW.json
+++ b/locales/zh-TW.json
@@ -340,6 +340,7 @@
     "add_content_warning": "添加內容警告標識",
     "add_media": "添加圖片、視頻或者音頻文件",
     "change_content_visibility": "修改內容是否可見",
+    "change_language": "改變語言",
     "emoji": "表情符號",
     "explore_links_intro": "這些新聞故事正被本站和分佈式網絡上其他站點的用戶談論。",
     "explore_posts_intro": "來自本站和分佈式網絡上其他站點的這些嘟文正在本站引起關注。",
diff --git a/package.json b/package.json
index d56fdf9a..a46c058a 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "form-data": "^4.0.0",
     "fuse.js": "^6.6.2",
     "idb-keyval": "^6.2.0",
+    "iso-639-1": "^2.1.15",
     "js-yaml": "^4.1.0",
     "lru-cache": "^7.14.1",
     "masto": "^4.11.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d742a4b9..871b733c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -51,6 +51,7 @@ specifiers:
   fs-extra: ^11.1.0
   fuse.js: ^6.6.2
   idb-keyval: ^6.2.0
+  iso-639-1: ^2.1.15
   js-yaml: ^4.1.0
   jsdom: ^20.0.3
   lint-staged: ^13.1.0
@@ -106,6 +107,7 @@ dependencies:
   form-data: 4.0.0
   fuse.js: 6.6.2
   idb-keyval: 6.2.0
+  iso-639-1: 2.1.15
   js-yaml: 4.1.0
   lru-cache: 7.14.1
   masto: 4.11.1
@@ -163,7 +165,7 @@ devDependencies:
   typescript: 4.9.4
   unplugin-auto-import: 0.12.1_@vueuse+core@9.9.0
   vite-plugin-inspect: 0.7.11
-  vite-plugin-pwa: 0.13.3
+  vite-plugin-pwa: 0.13.3_workbox-window@6.5.4
   vitest: 0.26.2_jsdom@20.0.3
   vue-tsc: 1.0.16_typescript@4.9.4
   workbox-window: 6.5.4
@@ -6613,6 +6615,11 @@ packages:
     resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
     dev: true
 
+  /iso-639-1/2.1.15:
+    resolution: {integrity: sha512-7c7mBznZu2ktfvyT582E2msM+Udc1EjOyhVRE/0ZsjD9LBtWSm23h3PtiRh2a35XoUsTQQjJXaJzuLjXsOdFDg==}
+    engines: {node: '>=6.0'}
+    dev: false
+
   /isomorphic-form-data/2.0.0:
     resolution: {integrity: sha512-TYgVnXWeESVmQSg4GLVbalmQ+B4NPi/H4eWxqALKj63KsUrcu301YDjBqaOw3h+cbak7Na4Xyps3BiptHtxTfg==}
     dependencies:
@@ -9941,10 +9948,11 @@ packages:
       - supports-color
     dev: true
 
-  /vite-plugin-pwa/0.13.3:
+  /vite-plugin-pwa/0.13.3_workbox-window@6.5.4:
     resolution: {integrity: sha512-cjWXpZ7slAY14OKz7M8XdgTIi9wjf6OD6NkhiMAc+ogxnbUrecUwLdRtfGPCPsN2ftut5gaN1jTghb11p6IQAA==}
     peerDependencies:
       vite: ^3.1.0
+      workbox-window: ^6.5.4
     dependencies:
       '@rollup/plugin-replace': 4.0.0_rollup@2.79.1
       debug: 4.3.4