Cut one picture into pieces that post as a grid

An Instagram grid splitter cuts one picture into 3, 6 or 9 equal pieces that you post one at a time, so they join into the picture across your profile grid. This free one numbers the pieces in the order to post them and saves each as a PNG at full resolution. Nothing is uploaded.

How do I split an image for an Instagram grid?

Choose a picture and a layout of 3 x 3, 3 x 2 or 3 x 1, check the numbers on the preview, download the pieces and post them in number order, 1 first. The piece you post last, number 9 in a 3 x 3 set, takes the top left spot. That assumes your newest post takes the first spot on your profile grid. We found no Instagram page that says so, so check your own profile first.

A 3 x 2 set follows the same path, and a 3 x 1 set posts right, middle, then left. File names carry the numbers, such as post 1 of 9.

What shape should each piece be?

Pick the shape that matches the tiles on your own profile, because Instagram's pages do not give one. On 30 October 2026 we searched Instagram's Help Center for grid, profile grid and aspect ratio grid, and no article describes a profile tile. The only grid shape we found is a square, in an announcement dated 27 August 2015 that says a portrait or landscape post appears on the grid as a center-cropped square. That is over ten years old, so it may not apply today.

The tool offers 3:4 and 1:1. The square rests on that announcement, and the 3:4 shape has no Instagram page behind it: we chose it as the tallest photo shape the Help Center lists. Compare the height of a tile with its width on your own profile and keep the matching option. If your profile shows squares and Instagram center-crops a 3:4 piece, as the 2015 wording describes, each piece loses its top and bottom eighth and the rows no longer join. That is our arithmetic, and we cannot say what happens to a square piece on a taller tile. The grid preview shows both tile shapes with your own pictures.

What is an Instagram image splitter, and how does this one cut?

An Instagram image splitter cuts one picture into equal pieces. This one gives every piece the same shape and a whole number of pixels, so the pieces come edge to edge with no pixel lost or repeated. A 3000 x 4000 picture cut into a 3 x 3 set of 3:4 pieces gives nine pieces of 999 x 1332 pixels, and Fill trims 3 pixels from the width and 4 from the height. The Fit options keep the whole picture, with white or black bars instead.

What picture should I start with?

Start with a picture shaped like the whole grid. The table gives each layout's shape and the size that yields pieces 1,080 pixels wide. Both are our arithmetic.

Instagram's Help Center says a photo between 320 and 1,080 pixels wide keeps its resolution, a wider one is sized down to 1,080 and a narrower one is enlarged to 320 (read 30 October 2026). A smaller picture still works, and the page warns you when a piece must be enlarged. Other formats are in Instagram post size.

What happens to the grid after I post the pieces?

The set lines up only while it sits at the top of your grid. Instagram's Help Center says you can pin up to three posts to the top of your profile grid (read 30 October 2026). A pinned post takes one of the first spots, so the pieces move along and the rows no longer join, and any post you share after the set does the same. Post the whole set in one sitting, unpin anything while you do, and wait before posting anything else.

Meta's newsroom said in June 2025 that Instagram would make it possible to re-order the posts on your grid. We found no Help Center article that describes it, so do not count on it. The post on feed planners covers the drafts, scheduling and pins Instagram offers, and the carousel splitter turns the same picture into slides instead.

Where this stops working

• The piece shape is unconfirmed. Instagram's Help Center gives none, and a mismatch breaks the join.
• Two things are assumptions. The tool assumes a profile grid three pieces wide and your newest post in the first spot. We found no Instagram page that states either, so check your own profile.
• Anything posted in between breaks the join. That includes a pinned post, a reel or any other post.
• We cannot see how Instagram trims a tile. The preview shows the cut only.
  • Huge pictures are saved smaller. Above about 16.7 million pixels a piece is saved smaller, and the page says so.
• Some files will not open. HEIC does not open in every browser, so export a JPG or PNG.

Every piece is a post of its own, so any of them can ask people to comment a keyword. When someone does, a comment-to-DM automation from inDM sends them your link, and the setup guide shows how in a few minutes.

Sources

Read on 30 October 2026: Instagram's Help Center on photo resolution and pinning a post, Instagram's 2015 formats announcement and Meta's June 2025 post.