Extension Factory

All extensions. All browsers. All free.

Chrome to Firefox
Chrome to Safari

Convert your Chrome extension into a Firefox or Safari one!

This service converts Chrome Apps and Extensions to a Firefox and Safari version. This is a beta test and we offer it with no guarantees.

If you are interested in distributing a converted extension, have a problem with a converted extension, if you want to provide feedback or have any question

You can either upload your own package, in crx or zip format; or use the url or ID of an extension on the


You can also test the conversion on one of our extensions:


    We are converting your extension, please wait!