Overview
Manage browser requests
Modify the request, include request headers, response headers, redirect requests, and cancel requests. It's 100% FREE, no ADs, no data collection. If you want to using the more feature-complete manifest v2 version, please refer to the official documentation: https://he.firefoxcn.net/en-US/guide/index.html If you encounter a bug, please report it via this link: https://github.com/FirefoxBar/HeaderEditor/issues A tool that help you to migrate from some similar extension to Header Editor: https://migrate-to-he.firefoxcn.net/
Details
- Version5.5.0
- UpdatedOctober 15, 2026
- Offered byShuangYa
- Size808KiB
- Languages12 languages
- Developer
Email
i@sylingd.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site