Firefox keeps getting faster as a result of significant updates to SpiderMonkey, our JavaScript engine, you will now experience improved page load performance by up to 15%, page responsiveness by up to 12%, and reduced memory usage by up to 8%. Download the latest version of Firefox for Mac for free. Read 2059 user reviews and compare with similar apps on MacUpdate.

Portable Firefox is the popular Mozilla Firefox Web browser packaged so you can carry around with you on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (also on your internal hard disk) as long as it has 75 MB of free space and use on any Mac OS X computer, taking your bookmarks, extensions, history, cookies, and saved passwords with you

• Drag the 'Portable Firefox OS X' folder to your portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (also to your internal hard disk) as long as it has 75 MB of free space.
• Clicking 'Portable Firefox' will open Thunderbird from your portable device, wait a while before Thunderbird start.

Using your data: You can copy your local Profile folder to Portable Firefox when 'Copy local Profile' window ask you. So, if you wish to use your bookmarks, add-ons, history, personal data and preferences you already have on your system, just click 'Copy' when prompt, and select the folder '/Users//Library/Applications Support/Firefox/Profiles/********.default/'

Other languages: Download Firefox in your language from http://www.mozilla.org and copy it to: 'Portable Firefox.app/Contents/Resources/' folder.

Mozilla Firefox For Mac Download

Support Forum: Post questions, tips, suggestions, clues, helps, bugs to our Portable Apps OS X support forum