Meta Image Messenger Stories ad specs

Meta Image Messenger Stories creatives have 9 published requirements: 3 block the ad in review, 6 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: 9:16 (±1%)
Resolution: min width 500 px

All 9 requirements

3 of the 9 block the ad in review. Values are the platform's published limits.

File formats
1 requirement · 1 blocking
Aspect ratio
1 requirement
Text length
2 requirements
File size
1 requirement · 1 blocking
Resolution
1 requirement · 1 blocking
Dimensions
1 requirement
Safe zones
2 requirements

Requirement	What the platform says	Value	Creative	Severity
Accepted Formats	Accepted file types are JPG or PNG.	JPG, PNG	Static	Blocker
Aspect Ratio	The recommended aspect ratio is 9:16 with a 1% tolerance.	9:16 (±1%)	Static	Recommendation
Headline Character Limit	Headline is recommended to be no more than 40 characters. Spec: {"max":40}	-	All	Recommendation
Max File Weight - Static	The maximum file size is 30MB.	max 30 MB	Static	Blocker
Minimum Width	The minimum image width is 500 pixels.	min width 500 px	Static	Blocker
Primary Text Character Limit	Primary text is recommended to be no more than 125 characters. Spec: {"max":125}	-	All	Recommendation
Resolution	The recommended resolution is at least 1080 x 1080 pixels.	1080 × 1080 px	Static	Recommendation
Safe Zone - Bottom	Leave roughly 20% (340 pixels) of the bottom of the image free from text, logos, or other key creative elements to avoid covering them with UI elements such as the call-to-action. Spec: {"height":340,"unit":"px"}	-	Static	Recommendation
Safe Zone - Top	Leave roughly 14% (250 pixels) of the top of the image free from text, logos, or other key creative elements to avoid covering them with UI elements. Spec: {"height":250,"unit":"px"}	-	Static	Recommendation