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
Link
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
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:
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
If you make a post that includes multiple files, and one of those files is an animated
gif
, thegif
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
Carousel
Allowed extensions:
jpg
,jpeg
,png
,bmp
,tif
,tiff,
gif
Animated
gif
files are not supported.Videos are not supported.
File count: 2 to 10
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:
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
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.