This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

youtube flash video player doesn't work

  • 2 uphendule
  • 1 inale nkinga
  • 2 views
  • Igcine ukuphendulwa ngu FredMcD

adly.rageh
adly.rageh
more options

youtube flash player doesn't work

and i can't download mp4 format from youtube

and when i install youtube flash video player i can't download mp4 format and mkv format appear

youtube flash player doesn't work and i can't download mp4 format from youtube and when i install youtube flash video player i can't download mp4 format and mkv format appear

All Replies (2)

Happy112
Happy112
more options

Hi   !

YouTube uses   HTML5,   as far as I know.
Would you consider this:
https://addons.mozilla.org/en-US/firefox/addon/simple-youtube-converter/

FredMcD
FredMcD
more options

Some websites do not allow downloads. However, a download manager/helper can bypass this.

Go to the Mozilla Add-ons Web Page {web link} (There’s a lot of good stuff here) and search for what you want.

Youtube currently uses the HTML5 player.

https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues