Firefox supports WebExtension APIs, which in most cases are compatible with the extension APIs supported by Chrome, Opera and Edge, so your extensions will run in Firefox with just a few changes.
Firefox isefrak isnasen API WebExtension, tugett deg-sen mṣadan akked usnas API n usiɣzef isefrak  Chrome, Opera akked Edge, ihi isiɣzaf inek ad ttwaselkmen di Firefox s kra kan n usnifel.