Grid Splitter

How Grid Splitter works

Split a photo into a 2×2, 3×3 or 4×4 grid of squares. Each tile downloads separately, ready to post in order for a seamless grid. Everything happens inside this page: the tool reads your input, runs the calculation or conversion locally, and hands the result back to you. Nothing is transmitted, because there is no backend to transmit it to.

That design choice is deliberate. Most free tool sites upload your files to a server, process them there, and quietly keep a copy. Toolcin cannot do that — the site is a set of static files. If your connection dropped the moment the page finished loading, every tool would still work.

Cutting into equal tiles

The image is divided into a 2×2, 3×3 or 4×4 grid and each cell is exported as its own file. Tile size is the image divided by the grid, rounded down, so a 1200 × 1600 photo split 3×3 gives nine 400 × 533 tiles.

Tiles are numbered by row then column, which is the order a platform expects when you upload a seamless grid post.

Getting a seamless result

Post in reverse order on Instagram, because the newest post appears first in a profile grid — bottom-right tile first, top-left last. Most other platforms fill left to right, top to bottom.

Keep the aspect ratio square before splitting. A non-square image produces non-square tiles, and the platform crops them, breaking the seams.

Resolution budget

A 3×3 split of a 1080 × 1080 image gives 360 × 360 tiles, which is low for a modern feed. Start from at least 3240 × 3240 if you want each tile to be 1080 wide.

Good to know

• Works offline once loaded, including on flights and in locked-down networks.
• No file size limit beyond your device's own memory.
• Free to use, with no account and no usage counter.
• Results are produced locally, so they are not logged or shared with anyone.

Questions