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Firefox Developer EditionGoogle Chrome
Free

Free to download and use.

 Free

Free to download and use. The software is closed source.

Windows, macOS, Linux Windows, macOS, Linux, Android, iOS
  • Newest developer tools before they reach stable Firefox
  • Builds for Windows, macOS and Linux, including ARM64
  • Site compatibility is effectively guaranteed, updates arrive every four weeks, and the extension library is the largest…
  • Pre-release software, so it can be less stable than the regular release
  • Not supported on Windows 8.1 and older or macOS 10.14 and older
  • The shipped browser is proprietary rather than the open Chromium it is built on, and it ties closely…
Downloadable app Downloadable app
Open source Closed source
License: MPL-2.0 License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.