> Quick answer: Carousel ads show 2–10 swipeable cards, each with its own image, headline, and link. Use 1080x1080px images, keep copy inside the character limits, lead with your strongest creative, and maintain visual consistency across every card.
What Is a Facebook Carousel Ad?
Carousel ads let you show multiple visuals in a single swipeable unit. Each card tells part of a story or showcases a different product.
Multiple cards in a single ad
You can include 2 to 10 cards per carousel ad. Each card is independent. Each has its own image or video.
Individual headlines, descriptions, and links per card
Every card supports a unique headline, description, and destination URL. That flexibility makes carousels ideal for multi-product catalogs or step-by-step storytelling.
Best for storytelling and product showcases
Per Meta's Business Help Center, the carousel format runs on Facebook Feed, Instagram Feed, Instagram Stories, and Audience Network. It's one of the most versatile ad formats available.
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Technical Specifications for Carousel Ads
Get these right before you design anything.
Image dimensions and aspect ratios
Use 1080x1080 pixels for a 1:1 square format. That's the recommended size for most placements. A 4:5 ratio (1080x1350px) works well for mobile-first layouts.
File size and resolution requirements
Per Meta's Ads Guide, the maximum image file size is 30MB per card. Video cards allow up to 4GB. Keep resolution sharp. Blurry creative hurts performance.
Number of cards (2–10)
You need at least 2 cards and can go up to 10. For most campaigns, 3 to 5 cards is the sweet spot. Enough story, not too much scroll.
Video and mixed-media options
You can mix images and video in the same carousel ad. Show a product demo on card one and lifestyle shots on the rest. Mixed formats create variety and hold attention.
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Text Requirements and Best Practices
Short copy performs better in carousel format.
Primary text, headline, and description character limits
Meta's documentation states the limits per card: primary text runs up to 80 characters, headlines up to 45 characters, and descriptions up to 18 characters. Tight limits force clarity. Use them.
Keep overlays minimal for optimal delivery
Meta removed its strict 20% text rule, but heavy text overlays still reduce delivery. The ad auction penalizes image-heavy text. Keep overlays short and purposeful.
Use captions to imply continuation
Write copy that makes viewers want to swipe. "See what happens next" creates forward momentum. Each card's copy should connect to the next.
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Design Best Practices for Carousel Ads
Good specs alone won't win. Creative strategy does.
Tell a coherent story across cards
Think of carousel cards as chapters. Each one should advance the narrative. A how-to sequence, a feature walkthrough, or a product range all work well in this format.
Use thumb-stopping creative for the first card
The first card carries the most weight. Per Meta's Business Help Center, a strong focal point and emotional imagery on card one drives swipes. Weak opening creative kills the whole ad.
Maintain visual consistency in style, color, and composition
Keep fonts, color palettes, and lighting consistent across all cards. Inconsistency breaks immersion. Viewers notice when card three looks like a different brand from card one.
Demonstrate brand identity
Every card should reinforce who you are. Logo placement, brand colors, and consistent visual language build recall. Even viewers who don't click still see your brand.
Include clear calls-to-action
Each card supports its own CTA button. Use action-oriented language. "Shop Now," "Learn More," and "Get Offer" all outperform vague buttons.
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Design Your Carousel Ad in Meta Ads Manager
The build process is straightforward.
Step-by-step creation process
Open Meta Ads Manager and choose your campaign objective. Select the carousel format at the ad level. Upload images or videos for each card. Add a unique headline, description, and URL per card. Preview across placements before publishing.
How to arrange cards and enable auto-optimization
Meta's auto-optimization feature reorders your cards to show the best-performing one first. Per Meta's Help Center, you can disable this if your cards tell a sequential story that must stay in order.
Testing placement options
Check how your carousel renders on Facebook Feed, Instagram Feed, and Audience Network. Instagram Stories only shows 3 cards before an "Expand Story" option appears. Design your first 3 cards to work as a standalone unit.
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Speed Up Carousel Design With AI
Manual design takes time. AI cuts it down significantly.
Generate images that match your brand
Coinis Image Ads generates carousel-ready creatives from a product URL or text prompt. Premium AI models produce visuals sized for each placement. No manual resizing needed.
Maintain consistency across cards
Coinis Brand Profile analyzes your brand assets and applies your colors, fonts, and tone to every generated card. All your cards look like they came from the same campaign.
A/B test variations quickly
Generate multiple card variants fast. Test different first-card hooks without rebuilding the full carousel each time. More tests, better data, better results.
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Frequently Asked Questions
What is the recommended image size for a Facebook carousel ad?
Meta recommends 1080x1080 pixels (1:1 aspect ratio) for most placements. A 4:5 ratio (1080x1350px) works well for mobile-optimized layouts. Maximum image file size is 30MB per card.
How many cards can a Facebook carousel ad have?
Facebook carousel ads support between 2 and 10 cards. Each card can have its own image or video, headline, description, link, and call-to-action button.
What are the character limits for Facebook carousel ad text?
Per Meta's documentation: primary text is 80 characters, headline is 45 characters, and description is 18 characters per card. Staying within these limits helps clarity and delivery.
Does Meta auto-optimize the order of carousel cards?
Yes. Meta's auto-optimization feature reorders cards to show the best-performing one first. You can disable this in Ads Manager if your cards tell a sequential story that needs to stay in order.