Swagger Checker is a free Chrome extension designed to enhance the functionality of Swagger by adding checkboxes next to endpoints. This feature allows users to easily track the state of each endpoint, facilitating better management during development and testing processes. By saving the state of these checkboxes, the extension offers a practical solution for developers who frequently interact with multiple endpoints, ensuring that they can keep track of which ones have been tested or require further attention.

This tool falls under the category of browser add-ons and tools, making it a lightweight and accessible addition to any developer's toolkit. Its user-friendly interface allows for quick implementation without the need for extensive setup, making it ideal for those looking to streamline their workflow. Overall, Swagger Checker is a valuable resource for anyone working with Swagger APIs.