Firefox® Nightly
These builds are for testing purposes only.
Desktop
- Windows 32-bit (Express) 501KB | exe
- Windows 32-bit (Standard) 39MB | exe
- Windows 64-bit (Standard) 40MB | exe
- Mac 93MB | dmg
- Linux (Intel) 51MB | tar.bz2
- Linux (Intel, 64-bit) 50MB | tar.bz2
Mobile
- Android (ARMv7, 2.3 Gingerbread) 36MB | apk
- Android (ARMv7, 3.0 Honeycomb and above) 39MB | apk
- Android (x86) 42MB | apk
Desktop Boot2Gecko
- Windows 53MB | zip
- Mac 118MB | dmg
- Linux (Intel) 96MB | tar.bz2
- Linux (Intel, 64-bit) 56MB | tar.bz2
Firefox Nightly automatically sends feedback to Mozilla. Learn more.
Getting Started
- Submit your feedback
- Submit crash reports
- Find testing tasks
- Run test cases in MozTrap
- Report Firefox bugs in Bugzilla
- Report Firefox for Android bugs
Mailing Lists
- Nightly-Testers on Desktop
- Nightly-Testers on Android
Useful Add-ons
- Nightly Tester Tools
- Add-on Compatibility Reporter
- Mozmill Crowd
Other Resources
- Last 48 hours of check-ins
- Other Nightly Builds (FTP)
- The Burning Edge blog
- Firefox Builds forum
- Release information
- Firefox Flight Tracking