JSON, XML & JWT Tools is a robust browser extension designed for developers who require efficient handling of JSON and XML data. This free tool offers functionalities such as comparison, formatting, and querying for both JSON and XML, alongside a JWT decoder. All operations are performed offline within the browser, ensuring user data remains private and secure. The extension does not require any permissions or external connections, making it a reliable choice for privacy-conscious users.

The toolkit includes features for color-coded comparisons of JSON and XML documents, providing clear insights into differences with options to ignore array or element order. It also allows for live syntax highlighting during formatting and querying. The JWT decoder conveniently displays decoded token information, including human-readable timestamps. With its emphasis on privacy and open-source accessibility, this extension serves as an essential tool for developers looking to enhance their workflow.