Multi-slide swipeable posts (up to 20 slides) - the highest-save and highest-share format on Instagram.
Max Slides
20
Best Ratio
4:5 Portrait
Algorithm
Saves > All
Best For
Education & Sales
Square (1:1) or portrait (4:5), up to 20 slides, images or video
First slide is your hook - make it impossible to not swipe
Last slide should have a strong CTA (save, share, follow)
Use consistent brand colors and fonts across slides
Include one key point per slide - don't overcrowd
4:5 portrait ratio gets the most screen real estate in feed
Carousels have the highest average save rate of any format
Educational carousels build authority → drive to products
Product showcase carousels with Shopping tags
Affiliate product roundups
Save-worthy content builds follower loyalty
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