Creative Specifications for Sponsored Display Campaigns:
Banner Ad
Logo (Optional)
Video Ad
Image requirements(Banner Ad)
Image size: 1200 x 628 px or larger
File size: 5MB or smaller
File format: PNG, JPEG, or GIF
Content: No text, graphics, or logo added to the image
Sample Ad
Logo requirements
Dimensions are at least 600 x 100 px
The file size is smaller than 1MB
The file format is PNG or JPEG
Video specs
Aspect ratio: 16:9
Dimensions: 1920x1080 (min)
Max file size: 500MB
File format: H.254, MPEG-2, MPEG-4
Length: 6-45 sec
Frame rate: 23.976, 24, 25, 29.97, 29.98, or 30 fps
Bitrate: 1 Mbps (min)
Video stream: 1 only
Audio specs
Language: Must match ad locale
Sample rate: 44.1kHz or 48kHz
Codec: PCM or AAC
Bit rate:96 kbps (min)
Format: Stereo or mono
Audio stream: 1 only
To read about creative guidelines, refer to this document.