Some video software creates MP4 files that are not compatible with Twitter. For example, Camtasia versions older than 2019.0.9 create MP4 files that Twitter rejects. Please check your video software for compatibility.
Video requirements for YouTube posting. YouTube does not support images.
Max video size: 5 GB. Please contact us for larger files.
Supported formats: MP4 and MOV.
The standard aspect ratio for YouTube on a computer is 16:9. When uploading other aspect ratios such as vertical or square, the player automatically adapts itself to the size of the video. This setting gives the best viewing experience based on the aspect ratio and device.
Recommended format MP4 with H.264 video codec and AAC audio codec. Results in a high-quality video with a smaller file size.
The standard video’s frame rate frequency is: 24, 25, 30, 48, 50, 60 frames a second. YouTube also accepts other frequencies.