Tamper - Firefox

Create a second Firefox profile (via about:profiles ) called "Unlocked" with no hardening. Use it only for websites that refuse to work with your tampered main profile. Final Verdict: Is Tampered Firefox Worth It? Yes —if you value privacy over convenience. A properly tampered Firefox blocks more trackers than Chrome with 10 extensions. It resists fingerprinting better than Brave (though Brave is competitive). And crucially, it's not based on Chromium, meaning Google has zero control over its future development.

Last updated: 2026-04-14. Firefox version 130+. tamper firefox

Firefox is one of the last remaining independent browser engines, free from the Chromium monopoly. But out of the box, it still phones home with telemetry, allows certain tracking methods, and includes features some users consider bloat. Create a second Firefox profile (via about:profiles )