
Header Editor Pro - Free by Charly Brown
Professional HTTP header editor for web developers, API testing, and debugging - completely free with unlimited profiles
You'll need Firefox to use this extension
Extension Metadata
Screenshots



Permissions and dataLearn more
Required permissions:
- Block content on any page
Optional permissions:
- Access your data for all websites
More information
- Add-on Links
- Version
- 2.1.1
- Size
- 57.26 KB
- Last updated
- 4 days ago (Aug 21, 2025)
- Related Categories
- License
- MIT License
- Version History
- Tags
- Add to collection
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