The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome, Edge, Firefox, and Opera, and will run on any platform that these browsers support including Windows, macOS and Linux.
Version 3.0.1 (June 19th, 2024)
Chrome release notes
Edge release notes
Firefox release notes
Version 0.2.2 (February 15th, 2017)
Opera release notes