Do more on the web, with a fast and secure browser!
Download Opera browser with:
Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Download from here: https://chromewebstore.google.com/detail/dislikes-in-youtube/eceopaelphbfmnnfgopkggjlkiflihjf
It's work.
Don't work when i'm logged in