Tor Browser
Anonymity first.
Firefox ESR hardened and routed through the Tor network. Your traffic bounces through three relays; every user shares one standardized fingerprint. The gold standard for anonymity.
- Engine
- Gecko
- License
- Open source
- Runs on
- Windows, macOS, Linux, Android
- Top marks
- Tracking protection, Fingerprinting resistance, Anonymity, Open source, Independence
- Updated
- September 2026
Why it shines
- Hides your IP even from your ISP
- Uniform fingerprint across all users
- Circumvents censorship
- First-party isolation everywhere
Worth knowing
- Noticeably slow — by design
- Some sites block Tor exit nodes
- Logging into personal accounts defeats the point
Origins
Tor Browser belongs to The Mozilla family — descended from Firefox.
Does well
Ranked in
Head to head
Scorecard
- Tracking protection3/3
- Fingerprinting resistance3/3
- Anonymity3/3
- Built-in ad blocking1/3
- Customization0/3
- Keyboard control0/3
- Built-in tools0/3
- Minimal interface1/3
- Fresh design0/3
- Classic interface0/3
- Light on resources1/3
- Raw speed0/3
- Battery efficiency0/3
- Extension ecosystem1/3
- Cross-device sync0/3
- Site compatibility1/3
- Low maintenance1/3
- Open source3/3
- Independence3/3
- Built-in AI0/3
- Gaming features0/3
- Dev tooling0/3
0–3 on each of the 22 criteria the quiz and the guides rank by. How we score.
