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Mozilla Firefox Developer Edition, Portable

development web browser

Download from PortableApps.com

Version 135.0 Beta 1 for Windows x64, English
68MB download / 240MB installed
Notes | All Languages | Antivirus Scan | Details

Runs anywhere (cloud, removable, local) without 'installing'. Use the PortableApps.com Platform for easy installs and automatic updates.

Also Available: Firefox Stable, Firefox ESR (Extended Support Release), Firefox Beta, Firefox Nightly, Legacy versions

Make a Donation - Support PortableApps.com development & hosting, Make a Donation - Support Firefox Developer Edition development

Description

Mozilla Firefox is a fast, full-featured web browser that's easy to use. The Developer Edition adds in debugging and IDE tools as well as a unique theme to the standard beta channel of Firefox.

Learn more about Firefox Developer Edition...

Localizations

LanguageLinkSHA256 Hash
Chinese (Simplified)中文 (简体)Downloadcca4af6f817decf0dc41cb6948437ba17f29540e3c15dc228962d45bff0f06e2
Chinese (Traditional)正體中文 (繁體)Downloadf47587242a6204494bb41b45fc6ebb864e3b7083f2d31c63fadcb31d98e2a54b
EnglishEnglishDownloadd8dd2a7f357aa35ae27704ff0fba192872979e956faa00244583a756b430545d
FrenchFrançaisDownloada81972c7442550597e8a32d9551ede5b9b3caa14e435ea6722dc2b3500685bc0
GermanDeutschDownloadcbce033be3768b175b2924c0ed6bfbce1023acc19f4ed4ebdc0d45cb398263bf
HungarianMagyarDownload5f2ca28b4ee6a3c55b75b5fce3b9de7641229e480a07a5cf17025e418691ebbf
ItalianItalianoDownloade4908084102dec81aea748683b89e65c9babfe6ce6a361d4c525939a8e9f2601
Japanese日本語Download94e9ec3d2447db0b8ba046fb8fd91fdde099e0c8b3714672238c781412949fa0
PolishPolskiDownload4e327e297cd9cee84c98a534c74aebbad265889e69b1ea9108b50a56c1b51677
Portuguese (Brazilian)Português (do Brasil)Download41ebfe7bfa7d209df0efe5326e49491be57bd825ffef11ed8f549cb6dd12ee76
RussianРусскийDownloadb11fbb1db66ad2e97be413222b4b3da867eeeee715d28dc3b9f22d9c5fd4c788
Spanish (International)Español (internacional)Download7f6f0c56019358231ce9708591046f61b9d86cb16d1841d4cacdd5e02f8e64a7

App Notes

The developer release will install alongside a standard Firefox Portable install in a FirefoxPortableDeveloper directory. Note that PortableApps.com will release one version for each major version (example: 99b1 but not 99b2). For updates within each major release, use the internal updater. From Mozilla: "This is pre-release software: you may encounter compatibility problems with some websites and add-ons."

Support

For help with this app, please see the following:

Download Details

Open Source Initiative Approved License
  • Publisher: Mozilla & PortableApps.com (John T. Haller)
  • Date Updated: 2025-01-09
  • Date Added: 2014-11-10
  • System Requirements: Windows 10, 11 & WINE (64-bit Only)
  • App License: Open Source (MPL/GPL/LPGL under Mozilla EULA)
  • Source: Firefox Developer Edition, Launcher source included, PortableApps.com Installer
  • SHA256 Hash: d8dd2a7f357aa35ae27704ff0fba192872979e956faa00244583a756b430545d (English)

Mozilla®, Firefox® and the Firefox logo are registered trademarks of the Mozilla Foundation and are used under license.