And it's in Format, so it automatically works with the Platform including the Menu and Backup Utility.

Mozilla Firefox, Portable Edition Nightly is packaged in a Installer so it will automatically detect an existing installation when your drive is plugged in. Individual users should use standard Mozilla Firefox, Portable Edition. These builds are intended for testing purposes primarily by extension and web developers. Mozilla Firefox® Portable Edition Nightly Builds are pre-alpha/alpha quality builds of the popular Mozilla Firefox web browser bundled with a launcher as a portable app, so you can take your browser, bookmarks and passwords with you. Update automatically or install from the portable app store (advanced apps enabled) in the Platform. Mozilla®, Firefox® and the Firefox logo are registered trademarks of the Mozilla Foundation and are used under license. And, as always, it's open source and completely free.

It's packaged in Format so it can easily integrate with the Platform. It's the Nightly channel of the popular Firefox web browser so you can test upcoming features without impacting your local or other portable installs. is proud to announce the release of Mozilla Firefox®, Portable Edition Nightly 111.

Download mozilla firefox 111.0.1