Specifications for YouTube Masthead Ads include:
Main Video:
Resolution: At least 1920x1080 (16:9 aspect ratio).
File Format: MP4 or MOV.
Duration: Up to 30 seconds (autoplay) or longer if users engage.
Headline Text: Max 25–50 characters depending on the device.
CTA Button: Up to 10 characters.
Companion Banner (desktop):
Dimensions: 300x250 pixels.
File Size: Max 150 KB.
Meeting these specs ensures your ad looks great across all devic
