I use Shortkeys to customize Firefox shortcuts. https://addons.mozilla.org/en-US/firefox/addon/shortkeys-custom-shortcuts/ https://addons.mozilla.org/en-US/fir

I use Shortkeys to customize Firefox shortcuts. https://addons.mozilla.org/en-US/firefox/addon/shortkeys-custom-shortcuts/ https://addons.mozilla.org/en-US/firefox/addon/shortkeys-cus... https://github.com/pmalecka/chrome-shortkeys https://github.com/pmalecka/chrome-shortkeys Working fine for my use case, YMMV.