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Mozilla Firefox Developer Edition, Portable

development web browser

Download from PortableApps.com

Version 137.0 Beta 2 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)Download174c5004089847ed3f4d3f6753010744e0efcc23a1a98e11590b2eb8da64da36
Chinese (Traditional)正體中文 (繁體)Downloadbc67360183083cd115671b26fbab8bbcff17cc868e94689dd02cf308bfa51910
EnglishEnglishDownloada3fcdf2337f56d49d716712b109960af306876cf531ceee0a91e7133b3082cf9
FrenchFrançaisDownload4268e80014e4081e9283bbf86876453ef29e7a0044d2a9e37fbe97edd3195d11
GermanDeutschDownloadb2a8f284508d0330906fa11d0fab48dbcc9859852da10bbde4094118de3ba74d
HungarianMagyarDownload37b6cf7c98103f46fc72f57fecd2c0f4739d0f018d4603a97cec3d6ebe318b4e
ItalianItalianoDownloadf7f3e96bacba69ed9001ccadfdf8a4606e0232f97f4ba464893e4ad981175674
Japanese日本語Download92d2e2d151e97b404a9ac4c6ee371788ba4ecc62ac98003c7818f1cdb1909f36
PolishPolskiDownload67fe27964cdc8dd08b5048279bf365c7a18b7e81416f6577411f5b3e2098a83d
Portuguese (Brazilian)Português (do Brasil)Download7d408ced0c0a93309622ea67a2019c5dbf6c512c1d82101570677417162a1256
RussianРусскийDownloadda3222da5f54c0d5ed2db4df255d441ea8d86b6b4f75653df99a02f9aeed859f
Spanish (International)Español (internacional)Download70233f96dddc189f5838257377bb294d1c280bcacc753e330b83b50f1a1811ca

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: 2025-03-11
  • 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: a3fcdf2337f56d49d716712b109960af306876cf531ceee0a91e7133b3082cf9 (English)

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