MP4NoMore is a accessibility chrome extension. it's a free extension , it has 20 active users since released its first version, it earns an average rating of 5.00 from 1 rated user, last update is 2594 days ago.
This extension helps, but does not fix the issue with Vivaldi, regarding the inability to render MP4 while being able to with other browsers. Q&A Q. I still get "The media could not be played" on some sites. A. Consider in most cases that the site is only offering MP4. If the site only offers MP4 and this extension doesn't allow us to be served mp4 due to the issue, you will still get that error message. I have found this to be common with some Twitter Video, for example
You could download the latest version crx file or older version files and install it.
English (United States).
You could find more help information from mp4nomore support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of mp4nomore.
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