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Mozilla Firefox, Portable Edition Nightly

customizable web browser

Download from PortableApps.com

Version 91.0 Alpha 1 Pre for Windows, English
109MB download / 408MB installed
Notes | All Languages | Antivirus Scan | Details

This is an online installer that will download Firefox during setup

Mozilla Firefox, Portable Edition Nightly can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the PortableApps.com Platform for easy installs and automatic updates.

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

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Description

Mozilla Firefox® Portable Edition Nightly Builds are pre-alpha/alpha quality builds of the popular Mozilla Firefox web browser bundled with a PortableApps.com launcher as a portable app, so you can take your browser, bookmarks and passwords with you. These builds are intended for testing purposes primarily by extension and web developers. Individual users should use standard Mozilla Firefox, Portable Edition.

Learn more about Firefox...

Localizations

LanguageLinkMD5
ArabicعربيDownloade87a475c5f005c36a1aa8119bc9f540b
Chinese (Simplified)中文 (简体)Download586ffe91b5714a90b406555a145f8949
Chinese (Traditional)正體中文 (繁體)Download39ad8380898a932ee64f436ec04703d2
CzechČeštinaDownload5fa515c6989078ed79928fc478671f42
DutchNederlandsDownload11802f9d755910557f9185a1e3c60371
EnglishEnglishDownload65db6a1f665a541c1458d07547a21c91
English (British)English (British)Downloadd7c2956bfe4f9799b5823d086bacaf03
FarsiفارسیDownload31eac66037a9c2df0f3638976c9a3635
FrenchFrançaisDownload967907299897c0a0076c8747cfa5a924
GermanDeutschDownload6f4d90aee1d5e3a001807cef53276aef
HebrewעִבְרִיתDownloada71f95753670a7ee933ba046036d0afb
Hindi (India)हिन्दी (भारत)Download9d1a49421821e25ddb7ea8dc0f73e1bc
HungarianMagyarDownloadb2cc3427897bd543d914562ff6938319
IndonesianBahasa IndonesiaDownloadd61bd44876366e2418fd1efd05b5c150
ItalianItalianoDownload39525fae87d046b7640307abc2683f7f
Japanese日本語Download75e29efae5fea67f611b2d3ff3a2cc65
Korean한국어Download1a28f0bf3be9ac15b4aae635d27e6841
PolishPolskiDownload1448f4429c755a4dda9009c480372cc9
Portuguese (Brazilian)Português (do Brasil)Download909db4c322484b784973c24a55eeb05a
Portuguese (Portugal)Português (Europeu)Downloadbf7d01667f207ffe5b5c0ce468343863
RomanianRomânăDownload89ec6caa2d14097d2ef43e81b7f57a8a
RussianРусскийDownload8671c90a224a3ab251bf8bc45cd0092a
SlovakslovenčinaDownloadb9bdbdfeffb22943606daf2a64034c14
Spanish (Spain)Español (de España)Downloadc3db8d9c5db82685a2fcdb5d30c9de93
Spanish (International)Español (internacional)Downloadabc365ef27e39cb06927c236b3353347
TurkishTürkçeDownload6a90a9f5ee2d37c6f5cd2b77e84d3524

App Notes

The nightly release will install alongside a standard Firefox Portable install in a FirefoxPortableNightly directory. 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
  • Publisher: Mozilla & PortableApps.com (John T. Haller)
  • Date Updated: 2021-06-01
  • Date Added: 2004-04-16
  • System Requirements: Windows 7, 8, 10 & WINE
  • App License: Open Source (MPL/GPL/LGPL under Mozilla EULA)
  • Source: Firefox, Launcher source included, PortableApps.com Installer
  • MD5 Hash: 65db6a1f665a541c1458d07547a21c91 (English)
  • SHA256 Hash: f7b1f4384a7bc69721f6c97ec14166d38e68f047e3d9b5cc196cd70fd96edee0 (English)

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