Sourceforge — Firefox Portable

Firefox Portable is a fully functional, optimized version of Mozilla Firefox that runs directly from a USB drive, cloud folder, or local hard drive without requiring installation. It leaves no personal data behind on the host machine, making it ideal for on‑the‑go browsing, privacy, and system maintenance.

One of the most trusted places to download Firefox Portable is , where the project is officially hosted by the PortableApps.com team. SourceForge provides direct access to the latest stable releases, previous versions, and digital signatures for verifying file integrity. firefox portable sourceforge