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LinkedIn Specifications ​

LinkedIn supports scheduling programmatic text-only posts, single images, carousel albums, and native videos to connected LinkedIn personal profiles and company Pages.

Supported Post Types ​

  • Text (text): A status update post containing only text.
  • Image (image): A single image post with a caption.
  • Video (video): A native video post with a caption.
  • Album (album): A carousel post consisting of multiple images with a caption.

Media Technical Requirements ​

Images & Albums ​

  • Supported Formats: JPG, PNG, GIF (animated GIFs are supported).
  • Maximum File Size: 5 MB per image.
  • Album Size Limit: 2 to 20 images per post.
  • Recommended Dimensions:
    • Square: 1080 x 1080 px
    • Landscape: 1200 x 627 px
    • Portrait: 1080 x 1350 px

Videos ​

  • Supported Formats: MP4, MOV (MP4 with H.264 video codec and AAC audio codec is recommended).
  • Maximum File Size: 5 GB for organic posts.
  • Video Duration: Minimum 3 seconds, Maximum 15 minutes.
  • Aspect Ratio: Between 1:2.4 and 2.4:1 (1:1 and 16:9 are recommended).
  • Recommended Frame Rate: 30 FPS.

Text & Caption Limits ​

  • Standard Caption (description): Maximum 3,000 characters (including hashtags and @mentions).