Здравствуйте, чтобы вам помочь, нам нужна от вас информация о вашем браузере и установленном расширении.
Подробно вы можете посмотреть здесь, скопировать, и прислать нам: http://ru.savefrom.net/user.php?info=1
Так же пришлите нам несколько ссылок на файлы которые у вас не скачиваются.

Спасибо за обращение в поддержку Savefrom.Net !

Hello, due to the change in Mozilla browser, we are no longer able to convert videos in mp3 and merge video and audio flows in mp4.
New API doesn't support functions allowing us to launch video converter and to integrate it with browser.

You can install Ummy Video Downloader to download mp3 and 1080p from Youtube: https://videodownloader.ummy.net

Hello, please give us more details.

Hello, in order to help you better I need the following information.

Please, send me the information listed here: http://en.savefrom.net/user.php?info=1

As the name of the site from which you download?

Send screenshots.

Hello, in order to help you better I need the following information.
Please, send me the information listed here: http://en.savefrom.net/user.php?info=1

Send a link to the file that you have downloaded without sound.

Do you download via the site Savefrom.Net or the apk application?

Send a screenshot of the program and how you download it.

Your OS.

Send us some video links you can’t download – we will check them.

Your OS.

Are you using a paid Ummy Video Downloader version?

Hello, due to the change in Mozilla browser, we are no longer able to convert videos in mp3 and merge video and audio flows in mp4.

New API doesn't support functions allowing us to launch video converter and to integrate it with browser.
You can install Ummy Video Downloader to download mp3 and 1080p from Youtube: https://videodownloader.ummy.net

Hello, you can disable the extension in the browser settings in the extensions.
Also in the extension, the green arrow, disable on this site.

You can find all detailed information regarding the purchase of the app here:

https://videodownloader.ummy.net/subscribe-to-the-ummy-video-downloading-app.html