For those who don't know or are addicted to browser extensions you need to be careful because many browser add on are dangerous and they can steal data and keys from your PC, the latest dangerous extension is Ledger chrome extension which is fake, this add on does nothing than steal your backup recovery phrase
The source is right below
https://nulltx.com/fake-ledger-chrome-extension-causes-major-problems/amp/If you don't want to have problems with this issue, instead of using add-ons, you can use quality browser with ad blocker feature.
Brave and Opera are good examples. Especially Brave is a very nice and comfortable browser to use.