Meta Image Facebook In-Stream Video ad specs

Meta Image Facebook In-Stream Video creatives have 10 published requirements: 5 block the ad in review, 5 are recommendations. The creative must be 1080 × 1080 px, supplied as JPG or PNG and no larger than 30 MB. Covers static creatives.

Dimensions: 1080 × 1080 px
Accepted formats: JPG, PNG
Max file size: max 30 MB
Aspect ratio: 1.91:1 (±3%)
Resolution: min height 600 px · min width 600 px

All 10 requirements

5 of the 10 block the ad in review. Values are the platform's published limits.

File formats
1 requirement · 1 blocking
Aspect ratio
1 requirement · 1 blocking
Text length
3 requirements
File size
1 requirement · 1 blocking
Resolution
2 requirements · 2 blocking
Dimensions
1 requirement
Content and policy
1 requirement

Requirement	What the platform says	Value	Creative	Severity
Accepted Formats	Accepted file types are JPG or PNG.	JPG, PNG	Static	Blocker
Aspect Ratio	The aspect ratio must be between 1.91:1 and 1:1.	1.91:1 (±3%)	Static	Blocker
Description Character Limit	Description should be no more than 30 characters. Spec: {"max":30}	-	All	Recommendation
Headline Character Limit	Headline should be no more than 40 characters. Spec: {"max":40}	-	All	Recommendation
Max File Weight - Static	Maximum file size is 30MB.	max 30 MB	Static	Blocker
Minimum Height	Minimum height is 600 pixels.	min height 600 px	Static	Blocker
Minimum Width	Minimum width is 600 pixels.	min width 600 px	Static	Blocker
Primary Text Character Limit	Primary text should be no more than 125 characters. Spec: {"max":125}	-	All	Recommendation
Recommended Resolution	Resolution should be at least 1080 x 1080 pixels.	1080 × 1080 px	Static	Recommendation
Text on Image	Due to the small image size, we recommend not adding text on images. Requirement: Don't due to the small image size, we recommend not adding text on images.	-	Static	Recommendation