Mozilla Firefox Portable Edition 40.0.3

4.2 out of 5 stars 4.2 (733 votes)

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Windows 7/8/Vista/XP / Freeware / 70,692 downloads

Mozilla Firefox Portable Edition is a fully functional package of Firefox optimized for use on a USB key drive. It has some specially-selected optimizations to make it perform faster and extend the life of your USB key as well as a specialized launcher that will allow most of your favorite extensions to work as you switch computers. It will also work from a CDRW drive (in packet mode), ZIP drives, external hard drives, some MP3 players, flash RAM cards and more.

Reviews of Mozilla Firefox Portable Edition

  1. 1 out of 5 stars
    Sven123456789

    Reviewing 40.0.3 (Aug 28, 2015)

    My review is for the newer versions of Portable Firefox like this one. Like the new Firefox, its terrible. I'm lucky enough to have an older version of Portable Firefox. Portable software in general is great. Able to access these programs from your flash drives. Almost impossible to find older version of this. But for some reason you like the new firefox, give this a try. Just remember you have to install if to your flash drive. When setting up, make sure you choose that.

  2. 5 out of 5 stars
    cltx99

    Reviewing 39.0 (Jul 4, 2015)

    The continuation of an excellent browser. In the past, I used Google Chrome, for a number of years. However, in the past couple of years I've been using FF and it has been the best of browsers and I've tried them all.

    Ighome is my home page. It snaps to attention using FF and lags when using Chrome. Hands down, FF is the best browser out there.

  3. 2 out of 5 stars
    -Lord-

    Reviewing 38.0.5 (Jun 4, 2015)

    FF has become a MAJOR memory hole.

    After a few minutes, has consumed over a gig of memory and bogs down ridiculously. In their effort to get bigger and better, they got worse and worse.

  4. 3 out of 5 stars
    smokingbeagle

    Reviewing 26.0 (Dec 11, 2013)

    Doesn't provide for importing bookmarks from installed version of FF?

    Or have I missed something?

  5. 4 out of 5 stars
    Zootopia3001

    Reviewing 25.0.1 (Nov 25, 2013)

    Guess this would be useful for some, especially for on the go. I keep Firefox from writing to hard drive simply by checking in the Privacy options to clear cache on exit. Nothing gets written to the cache folder that way, just goes to memory until the browser is closed.

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