Tor Browser — A free, open-source browser from the nonprofit Tor Project that routes traffic through a volunteer relay network to anonymize browsing and resist tracking.
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Tor Browser in 20 seconds
Best for: privacy-conscious individuals, journalists, and activists who need to browse anonymously and resist tracking, fingerprinting, and censorship
Pricing: Free and open source; no paid tier, funded by donations and grants to the nonprofit Tor Project.
- Tor Browser is free, open-source software from the Tor Project, a 501(c)(3) nonprofit, with no paid tier.
- Tor Browser routes traffic through a distributed volunteer relay network with multiple layers of encryption.
- Tor Browser is available for Windows, macOS, Linux, and Android; there is no official iOS build.
- Tor Browser isolates each website's cookies and resists browser fingerprinting by standardizing how the browser presents itself.
- The Tor Project directs iOS users to the separate Onion Browser app instead.
Limitations: Noticeably slower browsing than a standard browser due to multi-hop relay routing.; No official iOS build.; Many sites block or CAPTCHA-challenge traffic from Tor exit nodes.
Top alternatives: Brave, Mullvad Browser, Firefox, Onion Browser — full list
What is Tor Browser?
Tor Browser anonymizes web browsing by routing each connection through at least three volunteer-operated relays before it reaches its destination, wrapping traffic in multiple layers of encryption so no single relay can see both where a request came from and where it's going. The browser is a hardened fork of Firefox: it disables or restricts plugins, isolates cookies and local storage per site, and standardizes screen size, fonts, and other identifying details across users to resist browser fingerprinting. A network observer on a user's local connection can tell that Tor is in use, but not which sites are being visited. Tor Browser ships for Windows, macOS, Linux, and Android, distributed through the Tor Project's own site, Google Play, and F-Droid. There is no iOS release; the Tor Project instead recommends the independently developed Onion Browser app for iPhone and iPad users. The tradeoff for this anonymity is speed: multi-hop relay routing adds latency, and some websites block or CAPTCHA-challenge visitors arriving from Tor exit nodes.
Tor Browser is a free, open-source web browser built by the Tor Project, a 501(c)(3) nonprofit, that routes traffic through a distributed network of volunteer-run relays to anonymize browsing. It is built on Firefox and available for Windows, macOS, Linux, and Android, with no official iOS build — iOS users are pointed to the separate Onion Browser app. There is no paid tier: the project runs on donations and grants. Tor Browser isolates each site's cookies, clears them automatically, and standardizes browser fingerprints so third parties can't correlate a user's activity across sites, at the cost of slower page loads than a conventional browser.
Standout feature: Routes traffic through a volunteer-run relay network with multiple layers of encryption, isolating each site visited so trackers can't correlate browsing across sites.
Biggest weakness: Page loads are noticeably slower than a normal browser because traffic bounces through multiple relays, and many sites block or CAPTCHA-gate visitors arriving from Tor exit nodes.
Pros
- Free and open source, maintained by the nonprofit Tor Project with no subscription or account required.
- Isolates each site in its own identity, clearing cookies automatically and resisting browser fingerprinting techniques.
- Multi-layered relay encryption prevents a single network observer from linking a user to the sites they visit.
- Bypasses local network censorship and site blocks by routing around them.
Cons
- Significantly slower browsing than Chrome, Firefox, or Vivaldi due to multi-hop relay routing.
- No official iOS build; iOS users are redirected to the separate Onion Browser app.
- Many websites block or CAPTCHA-challenge traffic from Tor exit nodes, breaking some pages entirely.
Tor Browser pricing
Free · verified from the vendor's pricing page
| Plan | Price | Notes |
|---|---|---|
| Tor Browser | Free | Free and open source, funded by donations and grants to the Tor Project, a 501(c)(3) nonprofit; no paid tier exists. |
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