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Tor Browser 12.0.3

Tor Browser

Protect your privacy. Defend yourself against network surveillance and traffic analysis.

Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody from watching your Internet connection and learning what sites you visit, it prevents the sites you visit from learning your physical location, and it lets you access sites which are blocked.

The Tor Browser Bundle lets you use Tor on Windows, Mac OS X, or Linux without needing to install any software. It can run off a USB flash drive, comes with a pre-configured web browser to protect your anonymity, and is self-contained.

Tor Browser 12.0.3 changelog:

All Platforms

  • Updated Translations
  • Updated OpenSSL to 1.1.1t
  • Updated NoScript to 11.4.16
  • Bug 40763: Stop using remote localized files in CFR [tor-browser]
  • Bug 41424: Reduce disk activity by disabling some unnecessary tasks and telemetry [tor-browser]
  • Bug 41565: Gate Telemetry Tasks behind AppConstants.MOZ_TELEMETRY_REPORTING [tor-browser]
  • Bug 41601: Apply Snowflake Remove HelloVerify Countermeasure [tor-browser]

Windows + macOS + Linux

  • Updated Firefox to 102.8esr
  • Bug 32274: Bad screen-reader UX for Security Level/Shield button [tor-browser]
  • Bug 41066: Circuit Isolation should take containers into account [tor-browser]
  • Bug 41561: Maximize warning is broken (regression) [tor-browser]
  • Bug 41572: Check for userContextId also in the circuit display [tor-browser]
  • Bug 41588: Use better words for the Tor Network description in the onboarding [tor-browser]


  • Bug 40717: UX: hide SSO [tor-browser]
  • Bug 41578: Disable and lock Windows SSO [tor-browser]


  • Bug 28124: Show Tor Browser icon as macOS volume (dmg) icon [tor-browser-build]


  • Updated GeckoView to 102.8esr
  • Bug 40283: Can't upload files with Tor browser on Android [tor-browser]
  • Bug 40536: Proxy Refused if link from other app opens Android TBB [tor-browser]
  • Bug 41616: Backport Android-specific security fixes from Firefox 110 to ESR 102.8-based Tor Browser [tor-browser]

Build System

All Platforms

  • Bug 40723: Update upload-update_responses-to-staticiforme step for new tor-browser-update-responses repository [tor-browser-build]
  • Bug 40747: Remove empty line at the top of sha256sums-unsigned-build.txt [tor-browser-build]
  • Bug 40748: When sha256sums-unsigned-build.txt contains an empty line, tools/dmg2mar prints a warning [tor-browser-build]


  • Bug 40744: HFS DMG are not deterministic [tor-browser-build]
  • Bug 40755: libdmg-hfsplus fails to build on debian stable [tor-browser-build]


  • Bug 40752: Wrong urls in download-android-*.json files [tor-browser-build]

Download: Tor Browser (64-bit) | 91.4 MB (Open Source)
Download: Tor Browser (32-bit) | 90.2 MB
View: Tor Browser Website | Other Operating Systems

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