A version of Mozilla Firefox that can be carried on portable devices like USB drives or memory cards. Bring your bookmarks, extensions, history, cookies, and saved passwords with you. Copy your local Profile folder to Portable Firefox to transfer your data.
Portable Firefox 4.0.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Internet & Network Tools, more precisely Browsers. The actual developer of this free software for Mac is FreeSMUG. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
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.
You may want to check out more software for Mac, such as Firefox, Portable RSSOwl OS X or Portable RSSOwl, which might be similar to Portable Firefox.
Browsers
Browser plugins