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Editors' Review

Firefox Portable is a full, up-to-date version of Firefox for Windows, only portable. A single folder holds everything, so Firefox Portable runs it on any Windows PC from a thumb drive without the need for installation. To uninstall it, just delete the folder or remove the drive. We suggest saving the folder to the desktop; you can always move it later.


Latest thing: Firefox Portable isn't stripped down or versions behind in looks or features: It's the newest version and takes the latest updates, too.

Intuitive menu: A new menu button groups your most frequently used features in one place, including Cut-Copy-Paste, zoom, sync, and options.

Customizable: Like the installed version, Firefox Portable is totally customizable in layout and controls.


Big folder: Firefox Portable's folder starts at 95MB and gets bigger with use. That's something to consider when evaluating storage options.

Portable or installed: Portability's downside is that it's not fully integrated into Windows, which can effect things like updates, security software, and log-on data.

Bottom Line

Firefox Portable means those who need a portable browser don't have to compromise on the latest features and performance.

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Full Specifications

What's new in version 63.0.3
  • Games using WebGL (created in Unity) get stucks after very short time of gameplay
  • Slow page loading for some users with specific proxy configurations
  • Disable HTTP response throttling by default for causing bugs with videos in background tabs
  • Opening magnet links no longer works
  • Crash fixes
Publisher PortableApps
Publisher web site
Release Date November 15, 2018
Date Added November 21, 2018
Version 63.0.3
Category Browsers
Subcategory Web Browsers
Operating Systems
Operating Systems Windows XP/Vista/7/8/10
Additional Requirements None
Download Information
File Size 87.8MB
File Name FirefoxPortable_63.0.3_English.paf.exe
Total Downloads 2,821,651
Downloads Last Week 580
License Model Free
Limitations Not available
Price Free
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