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Carousels guide

Carousel post: what it is and how it works on every platform

Updated · By the Postora team

A carousel post is a single social media post that holds several images, videos or pages that people swipe through one by one. Instagram calls it a carousel, LinkedIn shows it as a document or multi-image post, TikTok calls it a photo post, and X lets you attach up to four images. One caption and one set of likes and comments cover all the slides.

What is a carousel post?

Think of a carousel as a short slide deck that lives inside a feed. The first slide shows up like any other image. A row of dots, an arrow or a page counter tells people there is more, and they swipe sideways to keep going.

Because everything sits in one post, a carousel lets you go deeper than a single image without asking anyone to leave the app. You can walk through a process, compare options, tell a story in order, or show twenty photos from one trip in one place.

The format has a few parts that are the same on every platform:

  • A cover slide. It does the job of a headline. If it does not earn the first swipe, nothing else gets seen.
  • Body slides. One idea, step or photo per slide works best, so each swipe pays off.
  • A last slide. Usually a summary, a question, or a clear next step such as save, follow or visit.
  • One caption. It frames the whole carousel and carries your keywords and hashtags.

People use the word for two quite different things: designed carousels (text-led slides, like a mini guide or a list) and photo carousels (a set of pictures, sometimes laid out so they flow across slides). Both use the same post type; they just need different tools.

When to use a carousel post (and when not to)

Use a carousel when the content has more than one part and the order matters. Good fits:

  • Step-by-step tutorials, recipes and setups
  • Lists: tools, tips, mistakes, books, places
  • Comparisons: this vs that, before and after, myth vs fact
  • Stories told in order: a launch, a trip, a project from start to finish
  • Product showcases: one product per slide, or one feature per slide
  • Photo sets: a photo dump, an event, a wedding, a home tour
  • Explainers: a concept, a framework, a short history

Skip the carousel when one image says it all (an announcement, a quote, an event date), when the idea depends on motion or sound (that is a video), or when you would only have two weak slides. A carousel with filler slides performs worse than a strong single image.

Stuck on topics? Try the Instagram carousel ideas, LinkedIn carousel examples or LinkedIn post ideas guides.

How to make a carousel post

The steps are the same whatever tool you use.

  1. Pick one promise. Write the cover line first: what will someone get by swiping? “5 mistakes that make bread dense” is a promise; “Bread tips” is not.
  2. Outline the slides. One point per slide. Most carousels land between 5 and 10 slides; go longer only when every slide earns its place.
  3. Choose the shape for the platform. 4:5 for Instagram, 1:1 or 4:5 for LinkedIn, 9:16 for TikTok. Keep every slide the same size.
  4. Design for a phone. Big type, high contrast, generous margins, and the same layout on every slide so people can follow along.
  5. Write the caption. Lead with the hook, add context, end with a question or a call to save or share.
  6. Export in the right format. Images (PNG or JPG) for Instagram, TikTok and X; a PDF for a LinkedIn document post.
  7. Post and reply. Answer early comments; they often turn into ideas for the next carousel.

You can design slides by hand in any design app, start from a carousel template, or use a carousel maker that writes and lays out the slides for you.

Skip the blank page. Give Postora a topic or a link and it plans, writes and designs the carousel for you. Start without an account.

Make a carousel

Carousel post best practices

  • Hook on slide one. A clear benefit, a number, or a sharp question. Show the topic in words, not only in a picture.
  • Make slide two strong too. It is the slide that convinces people the swipe was worth it, so give it the best point, not a warm-up.
  • Keep text short. Aim for a headline plus one or two short lines per slide. If you need a paragraph, split it across two slides.
  • Stay consistent. Same fonts, colors and margins on every slide. Add slide numbers or a progress bar for long carousels.
  • Respect the edges. Keep text away from the outer edges where apps place icons, counters and captions.
  • End with one ask. Save, share, comment or follow: pick one, not all four.
  • Write a caption that stands on its own. Some people read the caption before they swipe. Mind the Instagram caption character limit and the LinkedIn character limit.

Frequently asked questions

What is the difference between a carousel post and a single image post?

A single image post shows one picture. A carousel post holds several slides in one post that people swipe through, all sharing one caption and one set of likes and comments.

How many slides can a carousel post have?

Instagram allows up to 20 photos or videos, TikTok photo posts allow up to 35 photos, a LinkedIn document can run up to 300 pages, and X allows up to four images per post. In practice, 5 to 10 slides suits most topics.

Can a carousel post include videos?

On Instagram, yes: you can mix photos and videos in one carousel. TikTok photo posts and LinkedIn document posts are built from still images or pages, with a sound on TikTok.

What is a carousel post on LinkedIn called?

It is usually a document post. You upload a PDF, PowerPoint or Word file and LinkedIn shows each page as a slide people can swipe or click through.

Do I need design skills to make a carousel post?

No. Templates give you a consistent layout, and an AI carousel maker like Postora can plan, write and design a full draft from a topic or a link that you then edit.

What size should carousel slides be?

Use 1080 × 1350 (4:5) for Instagram, 1080 × 1080 or 1080 × 1350 for LinkedIn, and 1080 × 1920 (9:16) for TikTok. Keep every slide in a carousel the same size.

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