API Testing Lite is a free Chrome extension designed for developers needing a quick and efficient way to test APIs directly in their browser. This tool eliminates the need for account creation or bulky desktop applications, allowing users to begin testing REST, GraphQL, and WebSocket APIs instantly. Its lightweight nature is complemented by a clean interface that includes features such as syntax highlighting, formatted responses, and request history, all while prioritizing user privacy with local data storage.

Ideal for rapid endpoint checks, debugging API responses, and testing webhooks, API Testing Lite supports multiple HTTP methods including GET, POST, PUT, PATCH, and DELETE. Users can customize headers and authentication, track response times, and take advantage of both JSON and XML body support. With features like dark mode and the ability to import/export collections, this extension is a valuable tool for developers seeking simplicity and efficiency in their workflow.