From April 6th, 2021 to June 27th, 2022, 50% user give 4-star rating, 50% user give 1-star rating. for Compare chrome extension.
Not working for pdf
Some bugs, like hitting compare twice reloads the page, and enter doesn't submit the form. Otherwise, the best tool (and only one we could find) for visually comparing two pages (or two versions of the same page).