Looking for a reliable ModHeader alternative? HeaderGuard Pro is a 100% client-side HTTP header and User-Agent modifier with zero telemetry and 1-click ModHeader profile JSON import.
| Key Metric / Capability | HeaderGuard Pro (AppStudio Desk) | ModHeader (Legacy) |
|---|---|---|
| Chrome Manifest V3 Native | ✅ Full Native MV3 Support | ❌ Broken / Legacy MV2 Issues |
| User Telemetry & Tracking | ✅ 100% Zero Telemetry (Local Storage) | ❌ History of third-party tracking scripts |
| Sec-CH-UA Client Hints | ✅ Synchronized JS & HTTP Headers | ❌ Often fails modern Client Hints |
| ModHeader Profile Import | ✅ 1-Click Profile JSON Import | ❌ N/A |
| Pricing | ✅ Free Tier • £29/yr Pro | ❌ Forced subscriptions |
HeaderGuard Pro follows our clean pricing policy: Free Forever Tier • £29/yr or £49 Lifetime Pro. There are no surprise price hikes, no required third-party API subscriptions, and all billing is self-serve via Stripe.
Unlike older extensions that embed analytics scripts, HeaderGuard Pro runs locally in your browser sandbox. No account is needed for the free tier, zero personal history is collected, and no user data is sold. Pro licenses use simple email login via Stripe and ExtensionPay.