Mozilla Firefox Nightly
Cask Browsers v155.0a1
Web browser
About
Install Mozilla Firefox Nightly on macOS with Homebrew Cask using `brew install --cask firefox@nightly`. Mozilla Firefox Nightly is a Browsers app with version 155.0a1,2026-07-27-08-17-24. The package is listed in homebrew/cask. The cask supports auto-updates.
Install 1 App in Terminal
$
brew install --cask firefox@nightly
System Requirements
macOS:
Installs
Firefox Nightly.app
Official Homebrew Stats
Install activity metrics for Mozilla Firefox Nightly.
30 Days
294 total installs
10 installs / day avg
90 Days
1.1K total installs
12 installs / day avg
1 Year
3.2K total installs
9 installs / day avg
Frequently asked questions
How do I install Mozilla Firefox Nightly with Homebrew?
Run brew install --cask firefox@nightly in Terminal to install Mozilla Firefox Nightly as a Homebrew cask on macOS.
What kind of app is Mozilla Firefox Nightly?
Mozilla Firefox Nightly is listed as a Browsers app in Homebrew Cask and FastBrew currently shows version 155.0a1,2026-07-27-08-17-24.
What should I check before installing Mozilla Firefox Nightly?
Check any caveats, conflicts, auto-update behavior, and the official homepage before installing.
Related Browsers Apps
View AllOpen ChromeDriver
ChromeDriver
Popular
Automated testing of webapps for Google Chrome
Browsers v151.0.7922.47
Open DB Browser for SQLite
DB Browser for SQLite
Popular
Browser for SQLite databases
Browsers v3.13.1