For all image ads, there is a size limit of 150 kilobytes.
Image Sizes for Image Ads
https://support.google.com/google-ads/editor/answer/57755?hl=de#zippy=%2Cdisplayanzeigen%2Capp-anzeigen
Image Ads:
• 300 x 100
• 750 x 300
• 750 x 200
• 750 x 100
• 950 x 90
• 88 x 31
• 220 x 90
• 300 x 31
• 980 x 90
• 240 x 133
• 200 x 446
• 292 x 30
• 960 x 90
• 970 x 66
• 300 x 57
• 120 x 60
• 320 x 400
• 600 x 314
• 468 x 60
• 728 x 90
• 250 x 250
• 200 × 200
• 336 × 280
• 300 x 250
• 120 x 600
• 160 x 600
• 320 x 50
• 320 × 100
• 300 × 50
• 425 × 600
• 300 × 600
• 970 × 90
• 240 x 400
• 980 × 120
• 930 × 180
• 250 x 360
• 580 × 400
• 300 × 1.050
• 480 × 320
• 320 x 480
• 768 x 1.024
• 1.024 x 768
• 480 × 32
• 1.024 × 90
• 970 × 250
• 375 × 50
• 414 × 736
• 736 × 414
Responsive Display Ad (Image):
• 1.91:1, minimum 600 x 314
• 1:1, minimum 300 x 300
Responsive Display Ad (Logo):
• 1:1, minimum 128 x 128
• 4:1, minimum 512 x 128
App Install Ad:
The following dimensions apply to display ads shown in apps (not to be confused with "Ads for App Installs" in app campaigns):
• 1.91:1, minimum 600 x 314
App Install Ad (Image):
The following dimensions apply to display ads shown in apps (not to be confused with "Ads for App Installs" in app campaigns):
• 468 x 60
• 728 x 90
• 250 x 250
• 200 × 200
• 336 × 280
• 300 x 250
• 120 x 600
• 160 x 600
• 320 x 50
• 320 × 100
• 300 × 50
• 425 × 600
• 300 × 600
• 970 × 90
• 240 x 400
• 980 × 120
• 930 × 180
• 250 x 360
• 580 × 400
• 300 × 1.050
• 480 × 320
• 320 x 480
• 768 x 1.024
• 1.024 x 768
• 480 × 32
• 1.024 × 90
• 970 × 250
• 375 × 50
• 414 × 736
• 736 × 414
App Install Ad
The following dimensions apply to ads for apps created for app campaigns:
• 1.91:1, minimum 600 x 314
• 320 x 50
• 320 × 100
• 468 x 60
• 728 x 90
• 200 × 200
• 336 × 280
• 300 x 250
• 120 x 600
• 160 x 600
• 300 x 600
• 970 × 90
• 980 × 120
• 930 × 180
• 250 x 360
• 580 × 400
• 240 x 400
• 425 × 600
• 300 × 1,050
• 480 × 320
• 480 × 32
• 768 x 1,024
• 1,024 × 90
• 1,024 x 768
• 300 × 50
• 320 x 480
• 970 × 250
• 375 × 50
• 414 × 736
• 736 × 414
• 250 x 250
App Interaction Ad:
The following dimensions apply to app ads created for app campaigns:
• 300 x 250
• 320 x 50
• 320 × 480
• 480 × 320
• 1,200 × 628
TrueView In-Stream Ad, Bumper Video Ad, Non-skippable Video Ad (Banner):
• 300 x 60
Out-Stream Ads (Logo):
• 1:1, between 1 x 1 and 1,024 x 1,024
Discovery Ad (Image):
• 1.91:1, minimum 600 x 314
• 1:1, minimum 300 x 300
Discovery Ad (Logo):
• 1:1, minimum 128 x 128
Discovery Carousel Ad (Image):
• 1.91:1, minimum 600 x 314
Discovery Carousel Ad (Square Image):
• 1:1, minimum 300 x 300
Discovery Carousel Ad (Logo):
• 1:1, minimum 128 x 128
Gmail Image Ad (Image):
• Between 300 x 650 and 300 x 1,000
Gmail Image Ad (Logo):
• 144 x 144
Gmail Ad (Image):
• 1.91:1, minimum 600 x 314
• 1:1, minimum 300 x 300
Gmail Ad (Logo):
• 1:1, minimum 144 x 144
Gmail Ad (Header):
• Between 3:1 and 5:1, minimum 300 x 100
Gmail Ad (Catalog Image):
• 1:1, minimum 300 x 300
Image Extensions:
• 1.91:1, minimum 600 x 314
• 1:1, minimum 300 x 300
Responsive Display Ads:
https://support.google.com/google-ads/answer/7031480?hl=de
PMAX Videos:
