JSON Formatter for API is a Chrome extension developed by mouse-man. This free tool simplifies API testing and enhances the readability of JSON data. With this open-source extension, users can easily test APIs and make JSON data more accessible.

The extension offers various features to streamline API testing. It supports GET parameters, POST parameters, and JSON input, allowing users to interact with APIs effortlessly. Additionally, it provides JSON and JSONP support, making it versatile for different API requirements. The syntax highlighting feature helps users identify key elements quickly, while collapsible trees with indent guides enhance the visual structure of the JSON data.

JSON Formatter for API also includes clickable URLs, enabling users to navigate to related resources directly. Users can toggle between raw and parsed JSON views, making it convenient to analyze and understand the data. The extension works seamlessly with any valid JSON page, irrespective of the URL. Furthermore, it even functions with local files if enabled in the Chrome extensions settings.

One notable aspect of this extension is the ability to inspect JSON data by typing "json" in the console. This feature provides an additional layer of flexibility for developers and testers. Overall, JSON Formatter for API simplifies the process of API testing and offers high efficiency, making it a valuable tool for developers and testers alike.