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Guide

LinkedIn carousel ads: specs, and how they differ from a carousel post

A LinkedIn carousel ad is paid, set up in Campaign Manager, with 2 to 10 image cards. A carousel post is a free PDF document. The specs and the difference.

Updated 2026-10-13

In short

"LinkedIn carousel" means two different things. One is an organic post made from a PDF. The other is a paid ad format. They are made differently, so check which one you want.

Carousel document postCarousel ad
CostFree to postPaid, through an ad campaign
Made fromOne PDF (or PPTX, DOCX) of up to 300 pages2 to 10 separate image cards
Set up inThe normal post windowCampaign Manager
Size1080 x 1350 works well1080 x 1080 square recommended
TextAnything on the slides, plus a captionA headline per card and intro text

Carousel ad specs

LinkedIn's advertising specifications for carousel ads list:

  • 2 to 10 cards.
  • Images of 1080 x 1080 pixels, 1:1, recommended.
  • Up to 10 MB per image, as JPG, PNG or a non-animated GIF.
  • A headline per card that is cut off after two lines.
  • Intro text of up to 150 characters to avoid truncation on some devices, with a maximum of 255.
Ad specifications change. Check LinkedIn's page, linked under Sources, before you build the files.

Test the message as a free post first

Paid reach costs money for every wrong guess. A carousel document post costs only the time to make it, and shows which idea people save and comment on. Run the idea as a post first, then put budget behind the one that worked.

Making the images

carouselgen designs portrait slides (1080 x 1350) and a single image post at the same size. You can export images and crop or resize them for ad cards. It does not set up ads or make the 1080 x 1080 cards for you, so check the sizes before you upload.

Questions

How many cards can a LinkedIn carousel ad have?+

From two to ten, per LinkedIn's advertising specifications.

What size are LinkedIn carousel ad images?+

LinkedIn recommends 1080 x 1080 pixels, a 1:1 square.

Is a carousel post the same as a carousel ad?+

No. A carousel post is a free PDF document. A carousel ad is a paid format made of image cards in Campaign Manager.

On this page

  • Carousel ad specs
  • Test the message as a free post first
  • Making the images

Make it now

Describe it once. The designer lays out every slide.

Try for free now

Make this carousel now

Describe it once. The designer lays out every slide, and you fix what you dislike by commenting.

Try for free now

No sign-up needed to try. The free plan exports with a small carouselgen.com mark.

Keep reading

  • CarouselsHow to post a carousel on LinkedIn: upload a PDF as a document
  • CarouselsLinkedIn carousel size: dimensions, file limits and how to upload
  • CarouselsLinkedIn carousel examples: 8 covers in 8 different looks

Sources

  • LinkedIn Help: Carousel Ads advertising specifications
  • LinkedIn Help: Upload and share documents