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Firefox Portable

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Download Firefox Portable 91.0

Firefox Portable 91.0

  -  114.22 MB  -  Open Source
  • Latest Version

    Firefox Portable 124.0.1

  • Operating System

    Windows 7 / Windows 7 64 / Windows 8 / Windows 8 64 / Windows 10 / Windows 10 64

  • User Rating

    Click to vote
  • Author / Product

    John T. Haller / External Link

  • Filename

    FirefoxPortable_91.0_Rev_3_English.paf.exe

  • MD5 Checksum

    c0b6e1b477d4461db3ad203c721a187f

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Firefox Portable 91.0.


For those interested in downloading the most recent release of Firefox Portable or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Firefox Portable 91.0 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

New:
- Building on Total Cookie Protection, we've added a more comprehensive logic for clearing cookies that prevents hidden data leaks and makes it easy for users to understand which websites are storing local information
- Firefox now supports logging into Microsoft, work, and school accounts using Windows single sign-on
- The simplify page when printing feature is back! When printing, under More settings > Format select the Simplified option when available to get a clutter-free page
- HTTPS-First Policy: Firefox Private Browsing windows now attempt to make all connections to websites secure, and fall back to insecure connections only when websites do not support it
- We've added a new locale: Scots (sco)
- The address bar now provides Switch to Tab results also in Private Browsing windows
- Firefox now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS
- Firefox now does catch-up paints for almost all user interactions, enabling a 10-20% improvement in response time to most user interactions

Fixed:
- Various security fixes

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