Published format-level guidance.
Required
Not specified by platform
Recommended
Not specified by platform
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
Facebook Feed — Video
With the Awareness objective and certain performance goals, the headline, description, and CTA footer is not displayed on Facebook Feed on mobile devices.
Required
- Duration
- At least 1
- Minimum Duration Seconds
- 1
- Maximum File Size
- 4 GB
- Minimum Dimensions
- 120x120 pixels
- Container Rule
- Videos must not contain edit lists or special boxes in file containers
Recommended
- Aspect Ratio
- 4:5
- Resolution
- 1440x1800 pixels
- File Types
- MP4 · MOV · GIF
- Video Settings
- H.264, square pixels, fixed frame rate, progressive scan, stereo AAC audio at 128 kbps or higher
- Primary Text
- 50-150 characters
- Headline Limit
- 27 characters
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
Facebook Reels
Limited DocumentationRequired
- Maximum File Size
- 4 GB
- Container Rule
- Videos must not contain edit lists or special boxes in file containers
Recommended
- Aspect Ratio
- 9:16
- Resolution
- 1440x2560 pixels
- File Types
- MP4 · MOV · GIF
- Primary Text
- 40 characters — Longer text may truncate behind See more.
- Headline Limit
- 55 characters
- Audio
- Optional, but strongly recommended; auto-captioning is not supported on Facebook Reels
Placement-dependent
- Duration
- Verification required — The current Ads Guide page does not state minimum or maximum duration; confirm before delivery.
Cphere best practice
Not specified by platform
Facebook Feed — Image
Required
- Maximum File Size
- 30 MB
- Minimum Width
- 600 pixels
- Aspect Ratio Tolerance
- 3%
Recommended
- File Types
- JPG · PNG
- Aspect Ratio
- 4:5
- Resolution
- 1440x1800 pixels
- Primary Text
- 50-150 characters
- Headline Limit
- 27 characters
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
Facebook Feed — Carousel
Card order stays consistent; Meta may custom-position carousel creative per viewer.
Required
- Card Count
- 2–10
- Image Maximum File Size
- 30 MB
- Video Maximum File Size
- 4 GB
- Aspect Ratio Tolerance
- 3%
- Landing Page Url
- Required for every carousel card
Recommended
- Image Card
- JPG or PNG, 1:1, at least 1080x1080
- Video Card
- MP4, MOV, or GIF; 1 second to 240 minutes
- Primary Text
- 80 characters
- Headline Limit
- 20 characters
- Description Limit
- 18 characters
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
Facebook Stories — Video
Required
- Duration
- At least 1
- Minimum Duration Seconds
- 1
- Maximum File Size
- 4 GB
- Minimum Width
- 250 pixels
- Aspect Ratio Tolerance
- 1%
Recommended
- Aspect Ratio
- 9:16
- Resolution
- 1440x2560 pixels
- File Types
- MP4 · MOV · GIF
- Primary Text
- 125 characters
- Headline Limit
- 40 characters
- Video Settings
- H.264, square pixels, fixed frame rate, progressive scan, stereo AAC audio at 128 kbps or higher
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
Facebook Stories — Image
Required
- Maximum File Size
- 30 MB
- Minimum Width
- 500 pixels
- Aspect Ratio Tolerance
- 1%
Recommended
- Aspect Ratio
- 9:16
- Resolution
- 1440x2560 pixels
- File Types
- JPG · PNG
- Primary Text
- 125 characters
- Headline Limit
- 40 characters
- Display Duration
- Shows for 8 seconds or until swiped away
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
