Simple to use, adequate file download options :)

wow...

useful!

I don't use it a lot, but whenever I need it, it's so handy and the design and position of the buttons blend well with Youtube's page

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brilliant and easy to use :)

Simple to use. great downloader

ease of use fast down load speeds

I started using this add-on after another add-on that I was using to download you-tube video's was no longer available. I was formerly using down-them-all as a download manager in conjunction with another add-on. This add-on works well to download video's and mp3's from you-tube, with an easy drop down menu under the video. My only critisisms is that if you pay for the paid version, but then clear your cookies and try to download an mp3 it will tell you to buy the paid version again. The easy fix for this is to keep the activation email you are sent when you first pay for the add-on, and click on the link inside it to re-activate.

Needs an auto/original file name saver. When saving it all file names are videoplayback.(type)

Works really well and would given 5 stars if all possible formats were availble for download

Very Good

Good to use. Still some videos won't work. Haven't been around all my sites to test them all.

Its good just wish they had separated downloads for sound only and video only like one I had a long time a go. It was separted by choosing something like mp3 for sound only forgot all the format selections.

Update Sept 29, 2021:
This developer is the best. He successfully works very hard and quickly to keep this addon working while YouTube frequently changes its code.

Original review from 2018:
For 10 months, I have been using the 'Easy YouTube Downloader Express' in Firefox (currently v61.0.2) on the iMac (macOS Sierra 10.12.6) without any problems. The downloaded video is always good quality. There are several great features this addon sports. Unlike KV 'All Video Downloader' you don't have to go to another webpage with the link to download your video. And unlike Video Download Helper, to select your download format you don't have to sort through a long drop-down list of various codec choices, mixed with lots of jpegs and with other media files. In this Web Extension (aka Addon) the choices for download are consistent from one video to the next. It doesn't require thought or promote confusion. It has downloaded videos the other downloader addons could not. I am very pleased.