Meta Video Facebook Reels ad specs
Meta Video Facebook Reels creatives have 11 published requirements: 2 block the ad in review, 9 are recommendations. The creative must be 1440 × 2560 px, supplied as MP4, MOV or GIF and no larger than 4 GB. Covers video creatives.
- Dimensions
- 1440 × 2560 px
- Accepted formats
- MP4, MOV, GIF
- Max file size
- max 4 GB
- Aspect ratio
- 9:16
- Bitrate
- min 128 kbps
All 11 requirements
2 of the 11 block the ad in review. Values are the platform's published limits.
File formats
1 requirement
Aspect ratio
1 requirement
Bitrate
1 requirement
Text length
2 requirements
File size
1 requirement · 1 blocking
Content and policy
4 requirements · 1 blocking
Dimensions
1 requirement
| Requirement | What the platform says | Value | Creative | Severity |
|---|---|---|---|---|
| Accepted Formats | Accepted video file types are MP4, MOV, and GIF. | MP4, MOV, GIF | Video | Recommendation |
| Aspect Ratio | The recommended aspect ratio is 9:16. | 9:16 | Video | Recommendation |
| Audio Compression | Audio should use stereo AAC audio compression at 128kbps or higher. | min 128 kbps | Video | Recommendation |
| Headline Text Character Limit | Headline text should be no more than 55 characters. Spec: {"max":55} | - | All | Recommendation |
| Max File Weight - Video | The maximum video file size is 4GB. | max 4 GB | Video | Blocker |
| No Edit Lists | Videos should not contain edit lists in file containers. Requirement: Don't videos should not contain edit lists in file containers. | - | Video | Recommendation |
| No Special Boxes | Special boxes are not allowed in the video. Requirement: Don't special boxes. | - | Video | Blocker |
| Primary Text Character Limit | Primary text should be no more than 40 characters. Spec: {"max":40} | - | All | Recommendation |
| Resolution | The recommended resolution is 1440 x 2560 pixels. | 1440 × 2560 px | Video | Recommendation |
| Safe Zone | Leave roughly 14% of the top, 35% of the bottom, and 6% on each side of the asset free from text, logos, or other key creative elements to avoid cropping or covering them with the profile icon or call-to-action. Requirement: Leave roughly 14% of the top, 35% of the bottom, and 6% on each side of your asset free from text, logos, or other key creative elements to avoid cropping key elements or covering them with the profile icon or call-to-action. | - | Video | Recommendation |
| Video Compression | Video settings should use H.264 compression, square pixels, fixed frame rate, and progressive scan. Requirement: H.264 compression, square pixels, fixed frame rate, progressive scan. | - | Video | Recommendation |
Source
Every requirement above is taken from the platform's published documentation.
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Rule-by-rule verdicts for Meta · Facebook Reels, the moment you add a creative.