Open ModHeader

by Ujwal Bhagat · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

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

Users

811

+65 in 30 days

Rating

4.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#35K

#29K among extensions

Version

1.2.1

updated 28 Jul 2026

Users

monthly, 3 months

Latest, 15 Oct 2026: 811 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 15 Oct 2026: 4 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Open ModHeader

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