This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

I'd like to run Firefox on a flashdrive with all of the defaults on that drive.

more options

I've used portable Apps and found it to be very slow and temperamental. I'd like the plugin, addons, bookmarks, internet file, etc. to reside on the flash drive so nothing is saved to the host hard drive. Is this possible?

I've used portable Apps and found it to be very slow and temperamental. I'd like the plugin, addons, bookmarks, internet file, etc. to reside on the flash drive so nothing is saved to the host hard drive. Is this possible?

All Replies (2)

more options

Can you compile a build from source code, and know what needs to be modified?

https://developer.mozilla.org/en/Build_Documentation
https://developer.mozilla.org/En/Simple_Firefox_build

more options

I'm afraid I can not. I don't know where to begin.