diff --git a/public/manifest.thunderfird.json b/public/manifest.thunderfird.json
new file mode 100644
index 0000000..fae7502
--- /dev/null
+++ b/public/manifest.thunderfird.json
@@ -0,0 +1,78 @@
+{
+  "manifest_version": 2,
+  "name": "__MSG_app_name__",
+  "description": "__MSG_app_description__",
+  "version": "1.8.11",
+  "default_locale": "en",
+  "author": "Gabe<yugang2002@gmail.com>",
+  "homepage_url": "https://github.com/fishjar/kiss-translator",
+  "applications": {
+    "gecko": {
+      "id": "kiss-translator@yourdomain.com",
+      "strict_min_version": "78.0"
+    }
+  },
+  "background": {
+    "scripts": ["background.js"]
+  },
+  "content_scripts": [
+    {
+      "js": ["content.js"],
+      "matches": ["<all_urls>"],
+      "all_frames": true
+    }
+  ],
+  "commands": {
+    "_execute_browser_action": {
+      "suggested_key": {
+        "default": "Alt+K"
+      }
+    },
+    "toggleTranslate": {
+      "suggested_key": {
+        "default": "Alt+Q"
+      },
+      "description": "__MSG_toggle_translate__"
+    },
+    "openTranbox": {
+      "suggested_key": {
+        "default": "Alt+S"
+      },
+      "description": "__MSG_open_tranbox__"
+    },
+    "toggleStyle": {
+      "suggested_key": {
+        "default": "Alt+C"
+      },
+      "description": "__MSG_toggle_style__"
+    },
+    "openOptions": {
+      "description": "__MSG_open_options__"
+    }
+  },
+  "permissions": [
+    "messagesRead",
+    "compose",
+    "storage",
+    "menus",
+	  "messagesModify",
+    "tabs"
+  ],
+  "icons": {
+    "16": "images/logo16.png",
+    "32": "images/logo32.png",
+    "48": "images/logo48.png",
+    "128": "images/logo128.png"
+  },
+  "browser_action": {
+    "default_icon": {
+      "128": "images/logo128.png"
+    },
+    "default_title": "__MSG_app_name__",
+    "default_popup": "popup.html"
+  },
+  "options_ui": {
+    "page": "options.html",
+    "open_in_tab": true
+  }
+}
\ No newline at end of file