Aspect ratio: 16:9

Minimum resolution: 1280x720 (HD). 1920x1080 (Full HD) recommended for best quality on large screens.

Length: 5 to 90 seconds

File format: .mp4

File size: 500MB maximum

Frame rate: Must be constant; 23.98, 25, or 29.97 FPS

Bit rate: Greater or equal to 2,500 KBPS

Overall mix level: -10dB to -14dB

Dialogue: -12dB to -15dB

Music: -18dB to -22dB

Sound effects: -10dB to -20dB with occasional spikes up to -8dB

File names must not start with special characters (e.g., @, #, %, !, _, -).

For optimal compatibility with premium publishers, we recommend uploading at 1920x1080 whenever possible.