Chrome functions differently from Firefox, so Chrome extensions cannot be installed as Firefox add-ons. Also, Chrome extensions often don't have their counterparts in Firefox or vice-versa, unless their author can afford to develop both versions. You need to search manually for the best Firefox alternative of each Chrome extension you had. A how-to guide for the installation: [[Find and install add-ons to add features to Firefox]]

See also: *https://extensionworkshop.com/documentation/develop/porting-a-google-chrome-extension/ *https://www.extensiontest.com/