Overview
Modify HTTP request and response headers, cookies, redirects and CSP. All data stays on your device.
A local, secure version of ModHeader. Modify HTTP request and response headers, cookies, URL redirects and Content-Security-Policy per profile. All rules are stored locally on your device — nothing is ever uploaded, and it works fully offline. Open Source. The source code can be found here: https://github.com/daanklijn/modheader-v2
Details
- Version1.0.0
- UpdatedJuly 16, 2026
- Offered byModHeaderV2
- Size52.14KiB
- LanguagesEnglish (United States)
- Developer
Email
cosmicsynths@gmail.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.
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