This extension is also essentially the same as the example Firefox WebExtension [1], so this should be relatively easy to implement yourself. [1] https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Yo...
You could try to use a Firefox addon that enables installation of Chrome extensions in Firefox. https://addons.mozilla.org/en-US/firefox/addon/chrome-store-...
This extension is also essentially the same as the example Firefox WebExtension [1], so this should be relatively easy to implement yourself. [1] https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Yo...
You could try to use a Firefox addon that enables installation of Chrome extensions in Firefox. https://addons.mozilla.org/en-US/firefox/addon/chrome-store-...