(because the last one was private)
Check out my extension RandomUA, which randomizes your User-Agent header for each request in a way that preserves compatibility but really mucks up tracking.
Learn more at https://leotindall.com/randomua/
Please boost and send me comments on what features you'd like to see!
@damaru Re: the console.log statement, it logs to the browser console, not the general dev console; it's useful if people want to see what they're masquerading as.
Re: screenshots, that's a good idea; those are in the works for 0.2 which should be coming out in about twenty minutes. Thanks for the suggestions!