
Warning: Nightly is an unstable testing and development platform. By default, Firefox Nightly automatically sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas. Learn what is shared: www.mozilla.org/en-US/privacy/firefox/#pre-release
Firefox Nightly gets updated every day and is designed to showcase the more experimental builds of Firefox. The Nightly channel allows users to experience the newest Firefox innovations in an unstable environment and provide feedback on features and performance to help determine what makes the final release.
Found a bug? Report it at: github.com/mozilla-mobile/fenix/issues
Want to know more about the permissions Firefox requests?: mzl.la/Permissions
See our list of supported devices and latest minimum system requirements at: www.mozilla.org/firefox/mobile/platforms/
Mozilla marketing: In order to understand the performance of certain Mozilla marketing campaigns, Firefox sends data, including a Google advertising ID, IP address, timestamp, country, language/locale, operating system, app version, to our third party vendor. Learn more by reading our Privacy Notice here: www.mozilla.org/privacy/firefox/
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This release comes in several variants (we currently have 59). Consult our handy FAQ to see which download is right for you.
Version:102.0a1
Uploaded:May 26, 2022 at 9:00AM UTC
File size:77.59 MB
Downloads:2,082
Version:101.0a1
Uploaded:May 2, 2022 at 9:57PM UTC
File size:77.2 MB
Downloads:2,880
Version:100.0a1
Uploaded:April 5, 2022 at 3:05PM UTC
File size:79.82 MB
Downloads:2,196
Version:99.0a1
Uploaded:March 8, 2022 at 6:28PM UTC
File size:75.78 MB
Downloads:2,340
Version:98.0a1
Uploaded:February 8, 2022 at 6:11PM UTC
File size:73.42 MB
Downloads:3,093
Version:97.0a1
Uploaded:January 11, 2022 at 7:03PM UTC
File size:73.11 MB
Downloads:4,371
Version:96.0a1
Uploaded:December 9, 2021 at 8:33AM UTC
File size:77.56 MB
Downloads:4,327
Version:95.0a1
Uploaded:November 2, 2021 at 8:23PM UTC
File size:72.03 MB
Downloads:3,549
Version:94.0a1
Uploaded:October 5, 2021 at 7:49PM UTC
File size:71.25 MB
Downloads:3,604
Version:93.0a1
Uploaded:September 7, 2021 at 8:10PM UTC
File size:71.06 MB
Downloads:3,619