Mooder

A minimal request header modifier.

A minimal request header modifier. Set, edit, and toggle HTTP request headers with a clean one-click popup. Mooder is a tiny, focused tool for developers: add or override HTTP request headers for all outgoing requests. One list, zero clutter — name, value, per-header toggle, master switch Edits apply instantly, no save button Badge shows how many headers are currently active Built on Manifest V3 declarativeNetRequest: header rules are enforced by the browser itself; the extension never reads, intercepts, or transmits any of your traffic No analytics, no remote code, no data collection — everything stays in your browser Typical uses: sending an Authorization token to a test environment, toggling feature-flag headers, tagging requests for debugging.