Quick API Tester (Pro) is a free Chrome add-on designed for developers who need a fast and efficient tool for REST API testing. This extension allows users to perform various HTTP requests including GET, POST, PUT, PATCH, and DELETE directly from their browser, eliminating the need for cumbersome desktop applications. Its lightweight design ensures that developers can seamlessly integrate it into their workflow, providing instant access without unnecessary tabs.

Key features include complete request control with customizable headers and parameters, support for advanced body types such as Raw JSON and Multipart Form-Data, and the ability to generate code snippets for various programming languages. The tool also includes a Dart Model Generator for Flutter developers, environment variable management, JSON filtering capabilities, and cross-platform sync support for easy backup and restoration of workspace settings. Privacy is prioritized as all data is stored locally, ensuring user credentials remain secure.