Open ModHeader

Open source tool to modify HTTP request and response headers. No tracking, no telemetry.

Open ModHeader — an open source, auditable tool to modify HTTP request and response headers. A clean-by-design alternative to ModHeader. 🔗 Source: https://github.com/melon-husk/open-mod-header Safe by design • declarativeNetRequest only — never reads your traffic • No network calls, no analytics, no telemetry • Stores nothing but your own rules • Minimal permissions, fully open source Features • Set or remove request & response headers • Multiple profiles — switch, rename, duplicate, reorder • Per-row, per-section, and global toggles • Import/export, compatible with ModHeader • Light & dark themes Audit the code, report issues, or contribute: https://github.com/melon-husk/open-mod-header