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WebExtensions started with Chrome API compatibility as a base, so you may be able to just download the Chrome version's .crx file, unpack it, and run it in Fire
by callahad 9y ago
WebExtensions started with Chrome API compatibility as a base, so you may be able to just download the Chrome version's .crx file, unpack it, and run it in Firefox, perhaps with some minor tweaks.
You can upload the CRX to https://www.extensiontest.com/ https://www.extensiontest.com/ to check if it's likely to be compatible.