This is literally the best translator on any browser. I like how it feature-rich and easy to use. Yes, it's connected to the "Evil-Google" but if you're using privacy-first browsers like Brave or Tor, That won't be an issue.
The only problem I face with it is that sometimes when I use the on-page pop up translator (usually shown by a button), it displays," service temporarily unavailable". Sometimes this persists and makes me wanna give 4 stars but since I can't find a better free translator add-on, then it remains with 5 stars.

for deleting the Yandex translator

seems to be in bed with evil google. works most of the time and if down they blame google. annoying popups and their little widget appearing when you never asked for it. I wonder what privacy violations evil google has connected with it's use. It is probably the best online translator I have used.

very easy to use

it works very good