Simple Modify Headers - Extended is an open-source Firefox and Chrome extension for changing HTTP request and response headers. It helps developers and power users configure header rules for browser-based testing, debugging, and web compatibility tasks.
In the Browser DevTools & extensions space, Simple Modify Headers - Extended takes a focused approach. It focuses on modifying browser HTTP headers for testing, development, privacy, and web compatibility. Simple Modify Headers - Extended is an open-source project aimed at web developers and browser power users. The project is open source (Open Source). Simple Modify Headers - Extended is available on the web, embeddable surfaces, macOS, Windows, and Linux.
It is developed by Warren Bank, and it first shipped in 2024. Among its 6 catalogued features are request headers, response headers, and header rules.
Summary written by a language model from the project’s public pages.
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