HeaderPilot

by libintj2103 · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Local-only browser tool to modify request/response headers, filters, and redirects for testing.

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#290K

#239K among extensions

Version

1.3.1

updated 23 Jul 2026

Users

monthly, 3 months

Latest, 16 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 16 Oct 2026: 1 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 HeaderPilot

HeaderPilot helps developers switch HTTP request and response headers for local testing. Features: • Colored profile pills for fast switching • Import and export profile JSON (multi-file + paste) • Request and response header editing • URL filters and redirects • Append mode and active-tab-only option • Pause injection with one toggle • Multiple UI themes Intended use: Development and QA only. Enable a profile when you need specific headers; disable when finished. Permissions: • storage — save profiles locally • declarativeNetRequest — apply header/redirect rules • optional host access — requested when you enable the extension; use URL filters to limit scope No remote code. No analytics. Data stays on your device unless you export it.