OpenHeader by Kevin
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.
Extension Metadata
About this extension
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
Modifying headers should be simple and hassle-free. Supports dark and light mode.
More information on https://github.com/kevinchua6/openheader
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Permissions and data
Required permissions:
- Block content on any page
- Access browser tabs
Optional permissions:
- Access your data for all web sites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 25.11 kB
- Last updated
- 4 days ago (30 Jun 2026)
- Related Categories
- Licence
- MIT Licence
- Version History
- Add to collection