I search in google and I didn't found.
I want to know, when I use input file like that:
<input type="file" accept="video/*">
Form controls need a
name attribute otherwise the form they're associated with ignores them:
<input type="file" name="upload" accept="video/*">
As for which video formats are allowed, it really depends on the OS and browser. For example, on my system (Window 10), Firefox preselects these extensions: