You don’t need an extension to do this. Simply add a “before:” search filter to your search query, eg - https://www.google.com/search?q=Happiness+before%3A2022

You don’t need an extension to do this. Simply add a “before:” search filter to your search query, eg - https://www.google.com/search?q=Happiness+before%3A2022 https://www.google.com/search?q=Happiness+before%3A2022