很不错！😊

Excellent dowload.

I never knew my average internet speed is 2mb/s because my downloads takes days to finish,but when I downloaded this extension, I am now downloading files at full speed

I use it all the time with CRACK :p thanks

verygood

to make it work again on firefox just download and install their app and manually update the extension idmmzcc3.xpi restart the firefox, download video button will appear again on youtube, well at least for me