Instagram Carousel Splitter: Split Images Into Perfect Carousel Slides

Split an Instagram carousel image into correctly sized slides by choosing the right aspect ratio, calculating the full image size, and keeping every slide in the same format. Use the carousel splitter below to divide one continuous image into multiple Instagram-ready slides.

1 Upload your photo
2 Choose the slide count
3 Preview the pieces
4 Download and post

Drop your images here

or · PNG, JPG/JPEG or WebP

How to split

Into columns Into rows Into a grid

Piece shape

Keep the photo's shape Fit every piece to 4:5

Piece size

By number of pieces By exact pixel size

Quick presets

Number of columns

Output format

The most important rule for Instagram carousel splitting

Every slide in the same carousel must use the same aspect ratio. If carousel images use different proportions, Instagram crops the other images to match the first slide, causing the layout to shift.

Instagram Carousel Size Calculator

The correct source image size depends on:

Number of carousel slides
Size of each individual slide
Aspect ratio

Calculation: Full image width = single slide width × number of slides. Full image height = single slide height.

Carousel slide and full image sizes

Square Instagram Carousel Size

For a 3-slide carousel:

Each slide: 1080 × 1080 px
Full continuous image: 3240 × 1080 px

Portrait Instagram Carousel Size (4:5)

For a 3-slide carousel:

Each slide: 1080 × 1350 px
Full continuous image: 3240 × 1350 px

This format uses a taller canvas and is commonly used when maximizing vertical space in Instagram posts.

Landscape Instagram Carousel Size (1.91:1)

For a 3-slide carousel:

Each slide: 1080 × 566 px
Full continuous image: 3240 × 566 px

For a profile mosaic instead of a swipeable carousel, use the Instagram grid maker to split one image into a 3 × 3 grid.

How to Prepare an Image Before Splitting a Carousel

Before creating carousel slides:

Choose the final slide ratio.
Prepare one continuous image.
Calculate the full width based on slide count.
Split the image into equal sections.
Upload the slides in the correct order.

Keep Every Carousel Slide the Same Ratio

A continuous carousel design depends on consistent slide proportions. Do not mix different ratios inside the same carousel. A mixed-ratio carousel may cause automatic cropping and break the visual connection between slides.

Instagram Carousel Image Requirements

General carousel preparation should follow these limits:

JPEG image format
Aspect ratio between 4:5 and 1.91:1
Maximum image size up to 8MiB

Always check the final slide dimensions before uploading.

Carousel Split Checklist

Before splitting:

□ Choose carousel aspect ratio
□ Calculate full image width
□ Confirm every slide uses the same ratio
□ Prepare high-resolution source image
□ Split into equal slide sections
□ Upload slides in order

Source Note

The size calculations and carousel ratio rules were reconstructed from Instagram-related help documentation and image preparation guides archived before 2023. The information has been reorganized into a practical carousel splitting workflow. Original wording was not reused.