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Mozilla Firefox Developer Edition, Portable

development web browser

Download from PortableApps.com

Version 152.0 Beta 1 for Windows x64, English
94MB download / 338MB 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)Download6f4049e4f2afd80166b6f3fd030372354c5bde4192e4476f973f9f65ba7c123b
Chinese (Traditional)正體中文 (繁體)Download5170f739f0eb8d7da270e4a59c25e2e57cafdcb8e6a83b95c9205c95e9ac288f
EnglishEnglishDownloadf9fb87c837fde63b33537979f50a0e6af5f9362924f7b190255060add43e785c
FrenchFrançaisDownload662dc160e770dfb351901bfc1bbf71d3c68a414b2924b40bf910f42ca7046674
GermanDeutschDownload4a3213ca852faa7a5c1d2c50f7e68016b42eb8c0029ed46c07b8e81dc00ed835
HungarianMagyarDownloadd6447e734d8fa2eaa58afc59cecb4a060bd6d4e9db6bf12f06221eedc6316b5a
ItalianItalianoDownload4c93f53b30892bf93a31776a9c2c3d388973282fac9658ba2abb4a5e91066547
Japanese日本語Downloadb319d284771d2eea921d7490f9264a6b03bcefb3677c576c220b433d1fb33f68
PolishPolskiDownload1afb62bb90f9c4d1db9cd26dfe5e9c34058a4e408c0e852b2ac6b9daf6f6d059
Portuguese (Brazilian)Português (do Brasil)Download1366d567401f87a37f1dd70979d86565475cf5c7cd57ffe3b876da6e234273de
RussianРусскийDownloadd8a856a9932bdffcaed10e3dc4a2665cfb9d05797d0639911936133f44d674e0
Spanish (International)Español (internacional)Download038f7d2c90fa5a6876dbea3d5a5d5a4db44d6df07823fd3a87444efc0f434bc0

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: 2026-05-23
  • Date Added: 2014-11-10
  • System Requirements: Windows 10, 11 & WINE (64-bit Only)
  • App License: Open Source (MPL under the Mozilla EULA)
  • Source: Firefox Developer Edition, Launcher source included, PortableApps.com Installer
  • SHA256 Hash: f9fb87c837fde63b33537979f50a0e6af5f9362924f7b190255060add43e785c (English)

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