Media Requirements
Image and video requirements for Facebook posts, and the rules for media URLs.
Facebook rejects images above 4 MB and videos above 4 GB. Zernio converts WebP images to JPEG before upload.
Images
| Property | Feed post | Story |
|---|---|---|
| Max images | 10 | 1 |
| Formats | JPEG, PNG, GIF (WebP converted) | JPEG, PNG |
| Max file size | 4 MB | 4 MB |
| Recommended | 1200 x 630 px | 1080 x 1920 px |
Videos
| Property | Feed video | Reel | Story |
|---|---|---|---|
| Max videos | 1 | 1 | 1 |
| Formats | MP4, MOV | MP4, MOV | MP4, MOV |
| Max file size | 4 GB | 4 GB | 4 GB |
| Max duration | 240 minutes | 60 seconds | 120 seconds |
| Min duration | 1 second | 3 seconds | 1 second |
| Recommended resolution | 1280 x 720 px minimum | 9:16 vertical, required | 1080 x 1920 px |
| Frame rate | 30 fps recommended | 30 fps recommended | 30 fps |
| Codec | H.264 | H.264 | H.264 |
Media URLs
A media URL must be publicly accessible over HTTPS with no authentication and no redirects.
Cloud storage sharing links (Google Drive, Dropbox) may not work. Use a direct download URL or upload through the media endpoint.
Was this page helpful?