Awesome Mod Header

Add or overwrite HTTP request headers on URLs you choose. Open source.

FEATURES • Add or overwrite request headers on URLs matching your patterns • Multiple URL patterns per rule — Enter or comma to add, * / ** wildcards • Per-header on/off toggle and a note field • Applies instantly — no save button, no page reload of the popup needed • Rules keep working after browser restart, with no background process PRIVACY • All data stays in your browser (chrome.storage.local) • No collection, no transmission, no analytics, no remote code • The extension registers declarativeNetRequest rules that Chrome itself applies — it cannot read your requests, responses, or page content OPEN SOURCE • https://github.com/gmelon/awesome-mod-header • Provides fast and easy Header Modification.