Firefox vs Tor Browser Comparison
| Feature | ||
|---|---|---|
| Overview | ||
| Rating | 6.7 | 8.3 |
| Established | 2004 | 2008 |
| Platforms |  Windows macOS Linux AndroidiOS | WindowsmacOSLinuxAndroid |
| Privacy | ||
| Source code | Fully open source | Fully open source |
| Telemetry | On unless you opt out | No telemetry |
| Anti-fingerprinting | Basic | Aggressive |
| Ad/tracker block built-in | No | No |
| End-to-end encrypted sync | Yes | No |
| Independent security audit | None on record | Cure53 2023Show audit detailsHide audit details72-day penetration test and code audit of Tor Browser and the censorship-circumvention tools around it (bridge connection methods, OONI Probe, rdsys, BridgeDB, Conjure); two high-severity issues, both in bridge-distribution backends rather than the browser, fixed afterwards |
| Technical | ||
| Engine | Gecko | Firefox ESR |
| Default search | Google/Yandex/Baidu | DuckDuckGo |
| Built-in VPN/proxy | Yes | Not specified |
