LinkedIn Carousel Ad Specs and Performance Tips (2026)

By adhering to LinkedIn carousel ad specs, you can create up to 10 swipeable cards that show up in LinkedIn feeds alongside unsponsored content. That gives more room to tell your brand story, explain a product, share a proof point, or guide viewers to a call to action.

Unlike a single-image ad format, carousels gives you space to build a message step by step. This extra room matters for LinkedIn, where reaching a professional audience is expensive. A 2025 HockeyStack benchmark report found average cost-per-click on the platform reached more than $15 during competitive quarters, making it one of the most expensive audiences to reach with social advertising.

Here are best practices for effective LinkedIn carousels, including how to meet the platform’s formatting requirements, and structure your cards to tell a compelling story for your next campaign. 

What is a LinkedIn carousel ad?

A LinkedIn carousel ad is an ad type that lets you feature multiple images, videos, and texts within a single ad through a series of swipeable carousel cards. Carousel ads allow you to include up to 10 images, each with its own link and each customized to highlight a different benefit, offer, or stage of your funnel. 

A 2026 ZenABM benchmark report found carousels look weaker at first glance (a blended 0.32% click-through rate versus 0.42% for single-image ads). However, card-level click-through rate (CTR) climbs the deeper people swipe, from 0.117% on the first card to 2.89% by card seven. The longer someone stays with the ad, the likelier they are to click. The payoff is 25% more dwell time per impression than a single-image ad.

What are the LinkedIn carousel ad specs?

According to LinkedIn, users should build carousel ads based on the following recommendations and file limits:

• File type: JPG, PNG, or non-animated GIF

• Recommended image aspect ratio: 1:1

• Recommended image spec: At least 1080 by 1080 pixels, with a maximum of 4320 by 4320 pixels

• Ad name: 255 characters

• Card headline text: 45 characters (for the short, clickable title displayed on individual cards within a carousel ad) 

• Introductory text: 255 characters (for the main post copy displayed above a sponsored ad or carousel card) 

• Number of carousel cards: Two to 10

• Maximum file size: 10 MB

• URL for landing pages: Required

• URL prefix: http:// or https://

• URL characters: 2,000 characters for destination field URL

LinkedIn ad carousels do not support video ads.

Elements of an effective LinkedIn carousel ad

• A strong opening card
• Compelling copy
• Product-focused imagery
• Sequential storytelling
• A clear CTA

According to LinkedIn, several elements help a carousel ad perform well:

A strong opening card

The first slide is what audiences see in their feed, one image in full often with the next card partially visible beside it to encourage potential customers to swipe. That makes the opening card your hook. LinkedIn recommends testing different card sequences and moving your best-performing card to the front.

Compelling copy

Each card needs to earn the next swipe, so compelling copy should move the story forward. Use headlines to set up what’s coming next, with each card delivering on a clear point, and moving the narrative forward. 

Keep text short. Linked card headlines run to a maximum of two lines, or about 45 characters. Stick to this limit to avoid truncation.

You can also add alt text to your carousel images for accessibility—a written description that’s read aloud by screen readers. LinkedIn lets you add it to images in your feed or embedded in articles, and may auto-generate it for images that don’t have it. Review and edit auto-generated descriptions, since they may miss important context.

Product-focused imagery

Strong images stop the scroll, and make each card easier to understand. LinkedIn suggests carousel image ads feature visuals that draw viewers in, like graphics, people, and dynamic text. For conversion-focused carousels, images should show multiple products or services, or explain a single product or service in depth.

Sequential storytelling 

Carousel ads work best telling a story beat by beat. That makes the format effective for storytelling, whether you’re presenting your brand story, giving a closer look at a product’s features, or sharing a new product line. 

Research suggests narrative structure can hold attention and persuade partly because it gives viewers an easier way to process information than fact-based formats. Leaning into the storytelling potential of your carousels lets you use that tendency to draw your target audience deeper into what you want to convey.

A clear CTA

LinkedIn suggests that if your carousel tells a story, you should place the main value proposition or call to action on the final card. That works best when the carousel builds toward it.

How to track LinkedIn carousel ad performance

Use a unique utm_content value for each carousel card so you can see which cards drove each click. Since each card can link to a different URL for conversion tracking, you can use the utm_content parameter, which differentiates creative elements within the same campaign, to tell which card drove each click.

Shopify Campaigns tracks and measures those results alongside the rest of your marketing. You can breath down results by channel and UTM parameter, so you can see how many website visits and how much revenue your carousel ad drove.