FeHelper(前端助手) is a Chrome extension that offers a JSON auto-formatting tool. It allows users to automatically or manually format JSON, with features like sorting, decoding, and downloading. Users can also install additional tools from the configuration page based on their specific needs. Developed by zhaoxianlie, FeHelper(前端助手) provides a convenient way for frontend developers to enhance their workflow. Check out their website at https://www.baidufe.com/fehelper for more information.