0gu0dd1mjpdmvzcmu930v_720p.mp4 -

Open the file in VLC and go to Tools > Codec Information (or press Ctrl+J ) to see technical details about the stream. To play the file:

The 720p suffix confirms it is a High Definition (HD) video with a resolution of How to identify the content: 0gu0dd1mjpdmvzcmu930v_720p.mp4

GitHub - dcollien/mp4filechecker: Check a File or Blob to determine if it is an mp4 file matching a particular codec and dimensions. Open the file in VLC and go to

Use tools like MediaInfo or ExifTool to see the creation date, original file name, or the software used to encode it. It may be a partial download or corrupted

It may be a partial download or corrupted. You can try a dedicated Video Repair Tool .

Many websites rename uploaded videos with unique identifiers to prevent file name collisions on their servers.