Facebook Publishing
This page contains high-level specifications for scheduling and publishing Facebook posts through Publisher.
If your post does not meet the requirements to publish, Publisher informs you so you can correct the post.
Text
Text properties | Guidelines | More information |
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Maximum number of mentions (@username) |
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Only Facebook business pages can be mentioned. If the page does not have a username set, then you cannot mention the page. |
Link
This information is valid for when you use the Import preview link option.
Link properties | Guidelines | More information |
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Maximum number of links |
| - |
Link title character limit |
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The link title and thumbnail for the post are created from information provided by the target web page. Without domain verification in Meta Business Manager, Publisher is unable to change the link title or thumbnail. |
Thumbnail | Maximum image dimensions: Maximum file size: |
Photo
Before publishing a post, Facebook removes all location metadata from photos and resizes them to different dimensions to better support rendering the image in multiple sizes.
Photo properties | Guidelines | More information |
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Allowed extensions |
| - |
Maximum number of files |
|
A |
Maximum file size |
| - |
Maximum image dimensions |
| - |
Maximum total pixel size |
| - |
Alt text character limit |
| - |
Carousel
Carousel properties | Guidelines | More information |
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Allowed extensions |
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File count |
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To preserve the order of the files in your carousel, upload a maximum of 5 files. |
Maximum file size |
| - |
Reels
It is not possible to use the Emplifi Mobile app to publish Facebook reels. However, published Facebook reels do appear in the mobile feed.
Reel properties | Guidelines | More information |
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Allowed extensions |
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Maximum number of files |
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Maximum file size |
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Minimum and maximum duration |
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Resolution |
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Aspect ratio |
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FPS (frames per second) |
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Video settings |
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Audio settings |
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Thumbnail | Allowed extensions: Maximum file size: |
You can customize the video thumbnail in Publisher. |
Video
Video properties | Guidelines | More information |
---|---|---|
Allowed extensions |
| - |
Maximum number of files |
| - |
Maximum file size |
| - |
Video description character limit |
| - |
Thumbnail | Allowed extensions: Maximum file size: |
You can customize the video thumbnail in Publisher. |
Additional Publisher options
Branded content
Targeting: Gating and Feed targeting
Label
Dark posts
Dark posts cannot be scheduled. The Publish date must be Now.
Mention pages: using "@" (there is autocomplete)
Scheduling
Scheduling with PrimeTime AI Recommendations
Uploading cloud-shared assets directly from cloud storage applications
Schedule directly on Facebook and generate a post ID.
To learn more, see Scheduling Options.Additional video options (no story, secret, social actions)
Not available for reels
To learn more, see Content Options in Publisher.