Firefox® Nightly
These builds are for testing purposes only.
Desktop
- Windows (Express) 630KB | exe
- Windows (Standard) 20MB | exe
- Mac 49MB | dmg
- Linux (Intel) 28MB | tar.bz2
- Linux (Intel, 64-bit) 31MB | tar.bz2
Mobile
- Android 27MB | apk
- Android (ARMv6) 24MB | apk
Firefox Nightly automatically sends feedback to Mozilla. Learn more.
Getting Started
- Submit your feedback
- Submit crash reports
- Run test cases in MozTrap
- Report bugs in Bugzilla
Mailing Lists
- Nightly-Testers on Desktop
- Nightly-Testers on Android
- Nightly-Testers on Maemo
Useful Add-ons
- Nightly Tester Tools
- QA Companion
- Add-on Compatibility Reporter
- MozMill
Other Resources
- Last 48 hours of check-ins
- Other Nightly Builds (FTP)
- The Burning Edge blog
- Firefox Builds forum
- Release information
- Firefox Flight Tracking