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Mozilla Firefox, Portable Edition Nightly Builds

Firefox Logoyour browser, to go™

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.

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Mozilla Firefox, Portable Edition Nightly works best with the PortableApps.com Platform

Features

portable_firefox_small.pngMozilla Firefox is a fast, full-featured web browser that's easy to use. It has lots of great features including popup-blocking, tabbed-browsing, integrated search, improved privacy features, automatic updating and more. Plus, thanks to the PortableApps.com launcher bundled in the Mozilla Firefox, Portable Edition, it leaves no personal information behind on the machine you run it on, so you can take your favorite browser along with all your favorite bookmarks and extensions with you wherever you go. Learn more about Mozilla Firefox...

Additional Languages

Language Version Link
Arabic عربي 59.0 Alpha 1 Download 59.0 Alpha 1
Chinese (Simplified) 中文 (简体) 59.0 Alpha 1 Download 59.0 Alpha 1
Chinese (Traditional) 正體中文 (繁體) 59.0 Alpha 1 Download 59.0 Alpha 1
Czech Čeština 59.0 Alpha 1 Download 59.0 Alpha 1
Dutch Nederlands 59.0 Alpha 1 Download 59.0 Alpha 1
English English 59.0 Alpha 1 Download 59.0 Alpha 1
EnglishGB English (British) 59.0 Alpha 1 Download 59.0 Alpha 1
French Français 59.0 Alpha 1 Download 59.0 Alpha 1
German Deutsch 59.0 Alpha 1 Download 59.0 Alpha 1
Hungarian Magyar 59.0 Alpha 1 Download 59.0 Alpha 1
Italian Italiano 59.0 Alpha 1 Download 59.0 Alpha 1
Japanese 日本語 59.0 Alpha 1 Download 59.0 Alpha 1
Korean 한국어 59.0 Alpha 1 Download 59.0 Alpha 1
Polish Polski 59.0 Alpha 1 Download 59.0 Alpha 1
Portuguese (Brazilian) Português (do Brasil) 59.0 Alpha 1 Download 59.0 Alpha 1
Portuguese (Portugal) Português (Europeu) 59.0 Alpha 1 Download 59.0 Alpha 1
Russian Русский 59.0 Alpha 1 Download 59.0 Alpha 1
Slovak slovenčina 59.0 Alpha 1 Download 59.0 Alpha 1
Spanish (Spain) Español (de España) 59.0 Alpha 1 Download 59.0 Alpha 1
Spanish (International) Español (internacional) 59.0 Alpha 1 Download 59.0 Alpha 1

Support

osi_certified.pngFor help getting Firefox Portable up and running, visit Firefox Portable Support:

Download Details

  • Publisher: PortableApps.com (John T. Haller) and Mozilla
  • Date updated: 2017-11-15
  • System Requirements: Windows XP/Vista/7/8/10, Wine on Linux/UNIX
  • License: Free / Open Source (Launcher: GPL; Firefox: MPL)
  • Source Code: Launcher source (included), Firefox source
  • MD5 Hash (English): ab4af200fa982129f2ad79980ad6ae7e

Mozilla®, Firefox® and the Firefox logo are registered trademarks of the Mozilla Foundation and are used with permission.