What are the extensions for video files?

Question

HTML

I do loading of media files by the user.
After loading, the media file is embedded in the document, in the img, audio video tags.
You need to filter by file extension.
For images did so - .jpg .gif .png .svg
For audio - .mp3
For video - .mp4, .m4p, .m4v ?
Formats need the most supported. The user does not know anything about the formats - but the system limits the download of media files only by extension.
https://caniuse.com/#search=video%20format
maximum browser support - MPEG-4/H.264 video format
what are the extensions for this format?

Answer 1

Look here https://developer.mozilla.org/ru/docs/Web/HTML/%D0...
And in general, see all compatibility)) https://caniuse.com/#search=video