Modify Header

by SelectorsHub Tech Private Limited · selectorshub.com · Developer Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Manage HTTP request and response header modifications with a clean dashboard UI.

Users

1,000

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#28K

#23K among extensions

Version

1.0.2

updated 20 Jul 2026

Users

monthly, 3 months

Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 15 Oct 2026: 5 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 Modify Header

Add, change, or remove HTTP request and response headers on any site - no code, no DevTools. A privacy-first alternative to ModHeader. How to use: 1. Click the ModifyHeader icon in your toolbar. 2. Click Add Rule. 3. Choose Request or Response. 4. Pick an action: Set, Append, or Remove. 5. Enter the header name (e.g. Authorization) and its value. 6. Enter the domain the rule should apply to - or leave it blank for all sites. Save. The rule goes live immediately. Toggle any rule on or off from the dashboard, or pause the whole extension with one switch. Features: 1. Modify request and response headers 2. Set, append, or remove 3. Per-domain targeting 4. Enable/disable individual rules 5. Global pause switch All rules stored locally on your device - nothing is collected or sent anywhere Built for developers, testers, and QA engineers working with APIs, CORS, auth tokens, and staging environments. Support: Questions or feedback? Contact us at support@selectorshub.com