IDM should show MP4 format option on its video download panel for that video. Then press 'Remove Selected' ( arrow 3 on the image) and then 'Save Changes' ( arrow 4 on the image).Īfter this you can open YouTube site in FireFox again and play any video. Then press 'Manage Data' ( arrow 1 on the image) and on a new dialog enter 'youtube' in search bar to find cookies for YouTube and select it in the list ( arrow 2 on the image). Uncheck 'Cookies and Site Data' option to clear only cache ( arrow 1 on the image) and press 'Clear' ( arrow 2 on the image). Select it and type your preferred DNS server address (such as 1.1.1.1 for Cloudfares DNS or 8.8.8.8 for Google Public DNS). The custom DNS option allows input of the DNS of your choosing. Select 'Privacy & Security' tab ( arrow 3 on the image) and press 'Clear Data.' button in 'Cookies and Site Date' section. Open Mozilla VPN, and at the bottom right, click (or tap) the Settings icon. To do this click on FireFox menu ( arrow 1 on the image), select on 'Settings' menu item ( arrow 2 on the image), Then you need to clear cache in FireFox and delete cookies for You need to close all YouTube web pages in FireFox. We believe the internet is a global public resource, open and accessible to all. ads on mozilla youtube downloader - YouTube Need ads on mozilla youtube downloader CLICK HERE: and Get One BILLION UNIQUE VISTORS A MONTH for you site.

How to download MP4 video from YouTube in FireFox? Mozilla is the not-for-profit behind the popular web browser, Firefox. When I try to download video from YouTube in FireFox browser, it shows only MKV video extension.

Mozilla youtube downloader