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Document

  • Max document size: 100 MB
  • Max pages: 300pages.
  • Supported formats: PPT, PPTX, DOC, DOCX, and PDF.
  • For additional details, please view the LinkedIn social network page

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Image

  • Max image size: 5 MB
  • Supported formats: JPG, GIF, Animated GIF, and PNG.
  • Recommended size for images or links: 1200 x 627 px.
  • Images must have less than 36,152,320 pixels.
WebP, HEIC, HEIF, and AVIF images are converted to JPEG before posting. The conversion preserves the image’s color rendering and writes a small XMP packet carrying only the Iptc4xmpExt:DigitalSourceType AI disclosure, when the image declares one. No other metadata is carried over: not EXIF, and nothing else from the original XMP, so a location, a creator name or a copyright line can’t be published by accident. Note that LinkedIn strips embedded metadata when it ingests an image, so provenance metadata — including that AI disclosure — does not survive LinkedIn’s image processing and no AI label is applied. See Image Metadata and Content Credentials.

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Video

  • Max video size: 500 MB
  • Supported formats: MP4.
  • Duration max: 30 minutes.
  • Duration min: 3 seconds.
  • Aspect ratio must be between 1:2.4 and 2.4:1.