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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

  • Maximum number of mentions (@username): 50

This information is valid for when you use the Import preview link option.

  • Maximum number of links: 1

  • Link title character limits: 1 to 255
    (warning) The link title in the post is created from information provided by the target web page. Without domain verification in Meta Business Manager, Publisher is unable to change the link title.

  • Thumbnail:
    (warning) The thumbnail in the post is created from information provided by the target web page. Without domain verification in Meta Business Manager, Publisher is unable to change the thumbnail.

    • Maximum image dimensions: 30,000px x 30,000px

    • Maximum file size: 10 MB

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.

  • Allowed extensions: jpg, jpeg, png, bmp, tif, tiff, gif

  • Maximum number of files: 200

  • Maximum of 1 animated GIF
    (warning) If you make a post that includes multiple files, and one of those files is an animated gif, the gif will render as a static image.

  • Maximum file size: 10 MB

  • Maximum image dimensions: 30,000px x 30,000px

  • Maximum total pixel size: 80,000,000px

  • Maximum number of characters in alt text: 5,000

  • Allowed extensions: jpg, jpeg, png, bmp, tif, tiff, gif
    (warning) Animated gif files are not supported.
    (warning) Videos are not supported.

  • File count: 2 to 10
    (tick) To preserve the order of the files, upload a maximum of 5 files.

  • Maximum file size: 8 MB

Video

  • Allowed extensions: avi, mpeg, mp4, ogg, mov, qt, webm, wmv, flv, m4v

  • Maximum number of files: 1

  • Maximum file size: 1 GB

  • Maximum duration: 20 minutes

  • Maximum number of characters in description: 255

  • Thumbnail:
    (tick) You can customize the video thumbnail in Publisher.

    • Allowed extensions: jpeg, png

    • Maximum file size: 10 MB

Additional publishing options

  • Branded content

  • Targeting: Gating and Feed targeting

  • Label

  • Dark posts
    (info) Dark posts cannot be scheduled. The Publish date must be Now.

  • Mention profiles: 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 Content Options in Publisher.

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