Mozilla Firefox, Portable Edition 53.0.3 (web browser) Released

John T. Haller's picture
Submitted by John T. Haller on May 19, 2017 - 7:37pm is proud to announce the release of Mozilla Firefox®, Portable Edition 53.0.3. It's the Mozilla Firefox browser bundled with a launcher as a portable app, so you can take your browser, bookmarks, settings and extensions on the go. And it's open source and completely free. Firefox Portable is a dual-mode 32-bit and 64-bit app, ensuring Firefox runs as fast as possible on every PC. It's available for immediate download and bundled on the World's Best Flash Drive: The Carbide as well as the fast and affordable Companion.

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

Update automatically or install from the portable app store in the Platform.

Note that Firefox 52 and later drops support NPAPI plugins other than Flash. Firefox ESR 45.x still has support for these.


FirefoxPortable_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 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... Installer / Format

Mozilla Firefox, Portable Edition is packaged in a Installer so it will automatically detect an existing installation when your drive is plugged in. And it's in Format, so it automatically works with the Platform including the Menu and Backup Utility.


Mozilla Firefox, Portable Edition is available for immediate download from the Mozilla Firefox, Portable Edition homepage. You can get the German release from the German homepage and the other localized releases from the Localization page. Get it today!

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PAM Check For Updates not picking this up for me, have 53.0.2 Rev 2.

Reinstalled the platform to check.

Gord Caswell's picture

I can confirm that the updater database PackageVersion for FirefoxPortable is rather than

This will be fixed ASAP. Thanks for notifying us.

John T. Haller's picture

As Gord said, the package version was incorrect in the updater database so the platform wouldn't detect the update. It's been fixed now. Sorry for the inconvenience.

Sometimes, the impossible can become possible, if you're awesome!