New! Download Portable Firefox -

: This is the safest source for the latest stable release.

: Run the installer and choose a folder on your USB drive or cloud-synced folder (e.g., Dropbox).

: If you want to move your existing desktop profile to the portable version, copy your local profile data from %appdata%\Mozilla\Firefox\Profiles into the Data\profile folder of your portable installation. Why Choose the Portable Version? Download Portable Firefox for Mac | MacUpdate download portable firefox

Mozilla Firefox, Portable Edition is a repackaged version of the standard browser that runs from any portable storage device (like a flash drive or cloud folder) without needing a traditional installation. Where to Download Portable Firefox

While Mozilla doesn't officially release a portable version, the industry standard is the build provided by . : This is the safest source for the latest stable release

: Visit PortableApps.com and download the .paf.exe file.

: An alternative host for various versions. How to Install and Use Why Choose the Portable Version

: Open the folder and double-click FirefoxPortable.exe .