文档在你电脑上处理，不上传。

Your documents are processed locally and never uploaded.

选择本地文件夹后即可开始编辑与导出。

Select a local folder to start editing and exporting.

• 纯浏览器内处理 Runs fully in your browser.
• 内容默认仅存本机（IndexedDB） Data stays on your device by default (IndexedDB).
• 导出前数据不离开设备 Nothing leaves your device before export.

断网后仍可打开已导入项目（依赖浏览器本地存储）。

Previously imported projects remain available offline (depends on browser local storage).