Split one image into 3, 6, or 9 tiles for a seamless Instagram grid layout.
An Instagram profile grid is three columns of thumbnails, and this tool treats that grid as one picture cut into equal pieces. You supply a single image; the tool divides it into 3, 6, or 9 equal tiles and exports each tile as its own image file, ready to be uploaded as a separate post. What surprises most people is assembly, not splitting: the profile places the newest post first, so the mosaic only appears if you post the tiles in reverse order - bottom-right tile first, top-left tile last - and post nothing else in between.
A concrete input and expected output from the current implementation.
Input
A 1080x1080 px square image, split into 9 tiles
Expected output
Nine image files, each 360x360 px, named tile_1_1 (top-left) through tile_3_3 (bottom-right)
The tool divides both the width and the height by 3: 1080 / 3 = 360. Re-uploaded in reverse order (tile_3_3 first, tile_1_1 last), the nine tiles reassemble the original image across the 3-column profile grid.
The split always follows the 3-column layout of the profile grid: 3 tiles is one row, 6 tiles is two rows, 9 tiles is three rows. Every tile is an exact slice of the source, so a square source yields square tiles - a 1080 px image split three ways gives 360 px tiles. A non-square source yields non-square tiles, and the profile grid crops those, breaking the seams.
The tool only creates files; every tile is uploaded by hand as a normal post. Instagram orders the profile grid newest-first, so the correct sequence is bottom-right tile first, then fill each row, ending with the top-left tile as the final upload. Posting anything else afterward, or pinning one of the tiles, shifts the grid and splits the picture.
Each tile is uploaded and compressed as an independent post, so small seams and tone shifts are normal even from a clean file. Exporting at full resolution, keeping tiles exactly square, and adding no borders reduces the effect but does not remove it: the app re-encodes every upload and the profile view downsamples it.
Use a square source so every tile is square; 1080x1080 px is the long-standing common choice and produces 360x360 px tiles for a 3x3 split. Recommended upload sizes change, so check current guidance before exporting. Starting with a larger image does not remove compression seams, because Instagram re-encodes every post regardless of source resolution.
The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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