
Modify HTTP Headers by CirnoT
Add, modify or remove any request or response header.
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You’ll need Firefox to use this extension
Extension Metadata
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About this extension
Fully declarative extension allowing you to create rules to manipulate headers for given URL pattern.
Features:
- Both request and response headers manipulation supported
- Can add, change or remove headers
- Supports wildcard matching on URLs
- Can set rule order and change it on the fly
- Local backup and restore from JSON file
- Supports browser sync
- Clutter free and always active
Features:
- Both request and response headers manipulation supported
- Can add, change or remove headers
- Supports wildcard matching on URLs
- Can set rule order and change it on the fly
- Local backup and restore from JSON file
- Supports browser sync
- Clutter free and always active
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Permissions and dataLearn more
Optional permissions:
- Access your data for all websites
More information
- Version
- 2.6.1
- Size
- 53.18 KB
- Last updated
- 10 days ago (Sep 3, 2025)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Add to collection
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