This page contains high-level specifications for scheduling and publishing LinkedIn posts through Publisher.
If your post does not meet the requirements to publish, Publisher informs you so you can correct the post.
Maximum number of characters: 2,200
This information is valid for when you use the Import preview link option.
Maximum number of links: 1
Link title character limits: 399
Maximum number of characters in the description: 4,086
You can customize the link thumbnail in Publisher.
The same capabilities as described in Photo for the LinkedIn platform.
Maximum number of files: 9
Maximum file size: 69.3 MB
Maximum image dimensions: 30,000px x 30,000px
Maximum total pixel size: 36,156,100px
Maximum number of characters in alt text: 4,086
Maximum number of files: 1
Minimum and maximum file size: 75 kb to 200 MB
Minimum and maximum duration: 3 to 60 seconds
Additional publishing options
Uploading cloud-shared assets directly from cloud storage applications
To learn more, see Content Options in Publisher.