LinkedIn Carousel Size (2026): Organic and Ad Specs
Organic LinkedIn carousels are PDF document posts: use one page size throughout, and 1080 × 1350 (4:5) or 1080 × 1080 (1:1) are common choices. Carousel ads use 2 to 10 square cards, 1080 × 1080 recommended.
LinkedIn publishes no official pixel size for organic carousel pages, so the two sizes above are common choices, not rules. For single-image posts, see the LinkedIn post size guide.
Organic carousel (document post) specs
- Files: PDF, PPT, PPTX, DOC or DOCX. PDF keeps your design exactly as you made it.
- Limits: up to 100 MB and 300 pages.
- Page size: no official pixel size; 1080 × 1350 or 1080 × 1080 are common, the same on every page.
Each page of the file becomes one slide people swipe through. The steps to upload one are in how to post a LinkedIn carousel.
LinkedIn carousel ad specs
- Cards: 2 to 10. LinkedIn suggests starting with 3 to 5.
- Image size: 1080 × 1080 px (1:1) recommended, up to 4320 × 4320, max 10 MB per card.
- Formats: JPG, PNG or non-animated GIF.
- Text: card headlines up to 45 characters; keep the introductory text under 150 characters so it isn't cut off (255 max).
Check every card before you save the ad: cards can't be edited after that.
Document ads
A document ad promotes a file instead of image cards. It takes PPT, PPTX, DOC, DOCX or PDF up to 100 MB and 300 pages, and vertical, horizontal or square pages all work. Lead-gen document ads take PDF only. Videos and animations show as still images, and a PDF with mixed page sizes gets fit to one size.
Picking a page size for an organic carousel
- 1080 × 1350 (4:5) fills more of a phone screen. A taller page gives your headline more room, which helps when most people scroll on a phone.
- 1080 × 1080 (1:1) is easier to reuse. A square page is simple to reuse in other posts, and it matches the recommended size for carousel ad cards.
- Consistency matters more than the exact number. Pick one size and keep it for every page, so the slides don’t jump in size as people swipe.
Common mistakes to avoid
- Mixing page sizes in one PDF. Pages that change shape look broken, and LinkedIn fits mixed pages to one size anyway.
- Exporting a 16:9 presentation as is. A widescreen slide shows as a short, wide card on a phone with small text. Rebuild it at 4:5 or 1:1.
- Text too small to read on a phone. Keep one idea per page and use large type. If it is hard to read on your own phone, it is too small.
The size is the easy part. The slides take the time.
Once you know the size, the work is making eight pages people swipe to the end. Start from a real layout in LinkedIn carousel examples, then merge your slide images into one PDF at a single page size with the free Carousel to PDF tool.
EasySociable turns a prompt into a branded carousel for TikTok, Instagram, LinkedIn, Threads, and Xiaohongshu. Ask your AI agent (Claude, ChatGPT, Cursor) or use Studio, built on 48 templates. You edit the words and download PNGs.
Free plan includes 3 downloads per month with no watermark. No credit card required.
Proven formulas for your next carousel
Pick a formula, paste the prompt into your AI agent or open it in Studio, and get slides sized for the platform.
Frequently Asked Questions
What size is a LinkedIn carousel?
LinkedIn sets no official pixel size for organic carousel pages. 1080 × 1350 (4:5) and 1080 × 1080 (1:1) are common, with the same size on every page.
What size are LinkedIn carousel ad cards?
LinkedIn recommends 1080 × 1080 pixels (1:1), up to 10 MB per card, with 2 to 10 cards per ad.
How many pages can a LinkedIn carousel have?
A document post can be up to 300 pages and 100 MB, though short carousels are easier to finish.
Can I use a PowerPoint file for a LinkedIn carousel?
Yes, LinkedIn accepts PPT and PPTX. Exporting to PDF first keeps your fonts and layout exactly as you designed them.
Sources: LinkedIn Help: carousel ad specs; LinkedIn Marketing: carousel ad specs; LinkedIn Help: carousel ad best practices; LinkedIn Help: document ads; LinkedIn Help: share documents, checked October 2026.
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Written by Murphy, Founder of EasySociable