It's very good! It would be better if we can choose the folder where download the file.

Fails constantly. File tries to form but then ends u 0 bytes. Has been worthless for a long time

Easy to use

It's not working. At all. Don't know what I need to do to make it work, but it's not working.

A very good extension, when it works. As soon as YT changes it algorithm, it stops working, and you have to wait or a fix. MP3 sometimes works, and now also the mp4 mvie downloads have stopped. Bummer

every time I download firefox. this extension has to be download.

March 17th...UPDATE: As for it being reliable it isn't. Sometimes it works and sometimes not - that's been my experience and the experience of others with who I've spoken in the last few days...
One friend said the paid version isn't working either. I can't speak to that since I've never used it and as such have no experience with it, but this friend and several people he knows do...