It should be much better if it'd offer a quick popup with translation when you select the word(s) instead of opening the separate tab. There are plenty of translation addons that do the same as this one, so there's nothing here to prefer it to others

THANKS!

good service

OK

Bien construit et tres utile

está muy bueno y más con la nueva actualización

There must be a way to disable keyboard shortcuts or change it
Ctrl + shift + 2 is the "Zero-width non-joiner" character and I can't use it anymore!