*Was* good, but it just opened a tab without permission to a 3rd party website asking to write a review. Very bad no-no! They want a review? Fine, I came directly to Firefox Add-ons website to give as LOW of a review as I can instead. Do Not open other websites out of nowhere.

Do not install, redirects/opens tab without permission to 3rd party add on site.

Stopped working a few weeks ago...

This did not work to block youtube ads.

its asking disturbing questions and asking for my email and pass it even crashed my site and it also gave me a scary warning REMOVE IT NOW

Non funziona. L'eliminazione della pubblicità su YouTube mi dura 24 ore, dopo ricompare la pubblicità e devo reinstallare. Una porcheria.

Asks for permission to access your passwords...

Found out "Access your data for all websites
The extension can read the content of any web page you visit as well as data you enter into those web pages, such as USERNAMES AND PASSWORDS" How can this be allowed. Uninstalled extension.

Needs permission: Access your data for all websites

literally stops working half the time now.

Too much permission !!

Generates CONFLICTS with player!
Generates ERRORS loading YouTube pages!
Disables players preferences, such as "Loop Video" and "Playback Speed", i.e. resets all to default after playback finished.
Does not block ADS !
Complete CRAP !!!
I wonder how Mozilla manage giving "Firefox Recommended" badges??? Maybe just SELLING with no any inspecting extension's performance?!

Не блокирует.

Ah this thing is a complete down

Not working anymore. Instead of an ad, I just get a 6 second error before evey video.

It seems that this plugin no longer works well. An error message appears before each Youtube video.

Gives error "An error occurred. Please try again later. (Playback ID: W0g0gZzmmrSHTLPM)
Learn More" instead of blocking ad videos.

Conflicts with twitch, when enabled - twitch raise error 2000, when disabled - everything is ok.

Fake add-on