TL;DR: Facebook carousel ads support 2 to 10 cards, each with its own image, headline, link, and CTA. Use 1:1 images at 1080x1080px minimum for Feed placements. Plan your card sequence before opening Ads Manager. Let Meta auto-optimize card order for product catalogs, or fix the order for story-driven campaigns.
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Carousel ads are one of the most versatile formats on Facebook. You get up to 10 cards in a single ad unit. Each card tells its own part of the story.
What is a Facebook Carousel Ad?
Carousel ads give you more room to say something. More room than a single image. More room than a short video. Each card adds a layer.
Definition and format overview
A Facebook carousel ad displays between 2 and 10 images or videos in one ad. Each card has its own headline, description, link, and call-to-action button. Users swipe through cards on mobile. They click the arrows on desktop.
Per Meta's Ads Guide, carousel ads let you highlight different products, showcase specific details, or tell a brand story that develops across each card. That makes the carousel one of the most flexible formats in the Meta ad library.
Key benefits and use cases
Carousel ads work for e-commerce brands showing a product line. They work for feature breakdowns, tutorial sequences, and before-and-after reveals. Multiple cards mean multiple chances to land a click. One swipe can do what a landing page takes 10 scrolls to accomplish.
Placement options across Meta family
Carousel ads run across Facebook, Instagram, Messenger, and Audience Network. One campaign covers four surfaces. Each placement has its own specs, so prepare assets for each one you plan to use.
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Facebook Carousel Ad Specifications & Technical Requirements
Get the specs right before you build. Wrong dimensions waste creative time and budget.
Image dimensions and aspect ratios
Per Meta's Ads Guide, Facebook Feed carousel cards require a 1:1 or 4:5 aspect ratio. Minimum resolution is 1080x1080 pixels. Instagram Stories carousel cards require a 9:16 aspect ratio at a minimum of 1080x1920 pixels. For Stories placements, avoid placing text or logos within the top 14% of the card (roughly 250px) and the bottom 20% (roughly 340px). Those areas display the profile icon and CTA button.
File sizes and format requirements
Accepted image formats are JPG and PNG. Maximum image file size is 30MB per card. Accepted video formats are MP4, MOV, and GIF. Maximum video file size is 4GB. Video duration on Facebook Feed runs from 1 second to 240 minutes. Instagram Stories caps video at 15 seconds per card.
Character limits for text elements
Every card has its own text fields. Primary text is capped at 80 characters. Headlines are capped at 45 characters. Descriptions are capped at 18 characters per card. Write tight. Short copy that punches above its weight beats bloated copy that gets cut off mid-sentence.
Number of cards and video support
You need at least 2 cards and can include up to 10. Cards can be still images, videos, or a mix of both within the same ad. Mixing formats is fully supported and can add visual variety as users swipe through.
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Step-by-Step: How to Create a Facebook Carousel Ad
Building a carousel in Meta Ads Manager is straightforward. Following a clear sequence saves time and avoids rework.
Plan your creative strategy and card sequence
Map out your card sequence before opening Ads Manager. What story are you telling? Are you showing multiple products? Walking through a feature set? Guiding users from problem to solution? Each card needs a clear purpose. Card 1 is your hook. It must stop the scroll. The last card is your close, with a strong offer and clear CTA. Cards in between build the case.
Write a one-line brief for each card before you design anything. That brief keeps the visuals and copy aligned when you get into production.
Prepare and optimize your images
Export images at 1080x1080px minimum for Feed placements. Keep file sizes under 30MB. Minimize text overlays directly on the image. Meta's ad delivery favors images where the creative speaks louder than the text. Prepare a separate 9:16 crop for Stories placements if you plan to run there. Consistent visual style across all cards is not optional. Mismatched cards hurt performance and erode trust.
Set up your carousel in Ads Manager
Open Meta Ads Manager. Create a new campaign. Choose an objective. Traffic, Conversions, and Catalog Sales all pair well with the carousel format. At the ad level, select Carousel as the format. Upload your cards one by one, or pull assets directly from a product catalog.
Per the Meta Business Help Center, each card supports its own image, headline, description, destination URL, and CTA button. Fill out every field for every card.
Add headlines, descriptions, and CTAs per card
Write a headline under 45 characters for each card. Add a description under 18 characters where the placement supports it. Choose a CTA button from the dropdown. "Shop Now", "Learn More", and "Sign Up" are the most common choices.
Keep tone consistent across all cards. Vary the message. Each card should add new information, not repeat what the previous card already said. Card 2 should make a viewer glad they swiped.
Choose card ordering and optimization settings
Meta gives you two options. The first is automatic optimization. Meta tracks click performance per card and surfaces the best performers earlier in the sequence. This works well for product catalog carousels where card order does not matter.
The second option is a fixed order. You control the sequence. Use fixed order when your carousel tells a story that requires cards to appear in a specific sequence. Per the Meta Business Help Center, turning off automatic optimization locks your cards in the exact order you set them.
Review and launch
Preview your ad across every placement before you publish. Check mobile. Check desktop. Confirm every link opens the correct destination. Hit Publish. Meta's review process typically completes within 24 hours. Once the ad is live, watch the per-card breakdown in Ads Manager closely during the first 48 hours.
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Best Practices for High-Engagement Carousel Ads
Good specs get your ad approved. Good strategy gets it clicked.
Strategic card sequencing and storytelling
Card 1 must earn the swipe. Use your strongest visual or boldest claim there. Cards 2 through 9 build the argument, show the range, or deepen the story. Each card should make the viewer want to see the next one. The final card is the close. Strong CTA, clear offer, obvious next step.
Creating compelling visuals and copy
Keep a consistent visual theme across all cards. Same color palette. Same font family. Same lighting style. Inconsistency reads as an error, not a creative decision. Write headlines that tease what is coming. Curiosity is the main driver of swipes.
Balancing product showcase with narrative
A carousel that is just 10 product shots rarely performs well. Mix product images with lifestyle shots, benefit statements, and proof points. Show the product. Show what it does. Show who uses it. That sequence builds desire card by card before the final CTA lands.
Using video within carousel cards
A short video in card 1 grabs attention fast. Keep videos under 15 seconds for full placement compatibility across Feed and Stories. Pair a video hook with static product cards that follow. The motion catches the eye. The static cards close the sale.
Testing and optimization tips
Run at least two carousel variations per ad set. Change one variable per test. the lead image, card order, or headline angle. Use the per-card click breakdown in Ads Manager to see which cards drive engagement and which cards lose viewers. Replace underperforming cards regularly. Iterate on what works.
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Make Carousel Creation Faster with Coinis
Carousel ads require more creative assets than almost any other format. That is where Coinis helps.
Automate creative generation for carousel cards
Designing 10 cards by hand takes hours. Coinis's Image Ads workflow generates on-brand ad visuals from a product URL in minutes. Build a full set of carousel card assets without opening a design tool. Brand Profile stores your brand's visual identity and voice so every generated card looks and sounds like it came from the same campaign.
Test variations at scale
The Revise tool's Variate feature generates multiple versions of any card. Test different headlines, background treatments, or product angles. Run those variations as separate cards or separate ad sets. Find the best performer without designing from scratch each time.
Optimize card copy with AI
Coinis AI Copywriting writes headlines, descriptions, and CTAs tuned to your Brand Profile. Every card gets copy that matches your brand voice. Ten cards, consistent tone, no writing each one manually.
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Or let Coinis do it.
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Frequently Asked Questions
How many cards should I include in a Facebook carousel ad?
Between 2 and 10 cards. For product catalogs, 5 to 8 cards gives enough variety without overwhelming viewers. For storytelling sequences, use the exact number of steps your story needs. Every card must earn its place.
Can I mix images and videos in one carousel ad?
Yes. Meta supports both still images and videos within the same carousel ad. A common approach is using a short video for card 1 to grab attention and static images for the remaining cards to showcase products or features.
Should I turn on automatic card ordering?
It depends on your goal. Automatic optimization works well for product catalogs where card order does not matter. Turn it off when you want viewers to experience your cards in a specific narrative sequence. Per the Meta Business Help Center, you can toggle this setting at the ad level.
What image size works best for Facebook carousel ads?
Use 1080x1080px at a 1:1 ratio for Facebook Feed placements. For Instagram Stories, use 1080x1920px at 9:16. Per Meta's Ads Guide, these are the minimum recommended resolutions for sharp, high-quality carousel cards.