API & MCP

OpenHeader

A lightweight open-source extension to modify request and response headers and filter by URL regexes.

As of July 2026, OpenHeader has users in the Developer Tools category.

Usersno change0%
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0.0
Manifest V3

History

1 snapshots

Tracking since Jul 1, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
DateUsersRatingReviewsVersion
Jul 1, 20261.0.0
Now1.0.0

Permissions & access

Permissions
storagetabsdeclarativeNetRequest
Host access
*://*/*

Screenshots

OpenHeader screenshot 1OpenHeader screenshot 2OpenHeader screenshot 3

About

Simple extension to add, modify, or remove HTTP request and response headers on any website. Free, open-source, no account needed. 
Modifying headers should be simple and hassle-free. Supports dark and light mode.

More information on https://github.com/kevinchua6/openheader

Technical

Version
1.0.0
Manifest
V3
Size
19.84KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
dbemfnngokmgenphnpddlfmdefmjijje
Developer ID
u3627869c1ae73a86bcaa5091e4c2bd12
Developer Email
[email protected]
Created
Jun 30, 2026
Last Updated (Store)
Jun 30, 2026
Last Scraped
Jul 1, 2026
Website
Support URL
Privacy Policy

Data sourced from the Chrome Web Store · last verified Jul 1, 2026.