
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/
Take a browse on the wild side. Be among the first to explore future releases.
This release comes in several variants (we currently have 133). Consult our handy FAQ to see which download is right for you.
Version:113.0a1
Uploaded:March 30, 2023 at 11:06PM UTC
File size:82.21 MB
Downloads:1,548
Version:112.0a1
Uploaded:March 13, 2023 at 6:56AM UTC
File size:81.8 MB
Downloads:2,265
Version:111.0a1
Uploaded:February 14, 2023 at 12:58AM UTC
File size:81.28 MB
Downloads:2,661
Version:110.0a1
Uploaded:January 17, 2023 at 6:16AM UTC
File size:81.23 MB
Downloads:3,480
Version:109.0a1
Uploaded:December 12, 2022 at 11:56PM UTC
File size:78.51 MB
Downloads:2,326
Version:108.0a1
Uploaded:November 15, 2022 at 1:44AM UTC
File size:76.86 MB
Downloads:2,474
Version:107.0a1
Uploaded:October 18, 2022 at 1:33AM UTC
File size:76.29 MB
Downloads:1,973
Version:106.0a1
Uploaded:September 19, 2022 at 8:09PM UTC
File size:77.44 MB
Downloads:1,986
Version:105.0a1
Uploaded:August 23, 2022 at 5:08AM UTC
File size:77.26 MB
Downloads:1,660
Version:104.0a1
Uploaded:July 25, 2022 at 8:50PM UTC
File size:77.16 MB
Downloads:3,130