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Image Splitter cuts one image into a grid of smaller tiles. You set the number of rows and columns, the tool slices the image into equal pieces, and you download them individually or all at once. Everything runs in your browser — no uploads, no waiting.
The tool divides your image into a grid based on the row and column count you choose. Each tile is the same size, calculated by dividing the original width and height evenly. You see a live preview with grid lines overlaid on the source image, then click to generate and download the tiles as separate PNG files.
Use it any time you need to divide one image into multiple equal parts. Common scenarios include preparing social media content that spans multiple posts, splitting a poster or banner for multi-page printing, creating tiled map sections for a game, or just experimenting with grid-based layouts. If you need unequal sections or want to crop specific areas, a general image editor would be a better fit — this tool is built for uniform grids.
The tool divides the image width by the number of columns and the height by the number of rows. If the dimensions do not divide evenly, the tool rounds down — a few pixels on the right or bottom edge might be trimmed. For most uses this is not noticeable, but if pixel-perfect accuracy matters, crop your source image to dimensions that divide cleanly by your chosen grid size before uploading.
Say you have a 3000×1000px horizontal design you want to post as a three-image carousel. Set Columns to 3 and Rows to 1. The tool splits it into three 1000×1000px squares. Upload them to Instagram in order, and viewers swipe through the full design seamlessly.
You have a large poster but your printer only handles letter-size pages. Set the grid to match how many pages you need — maybe 3 columns by 4 rows for 12 pages total. Print each tile, then tape or glue them together to reconstruct the full poster.
Can I split an image into unequal sections?
No — this tool creates a uniform grid where every tile is the same size. If you need custom crop areas or different tile dimensions, use a general image editor with a crop tool instead.
What happens if my image dimensions do not divide evenly?
The tool rounds down to the nearest whole pixel. A few pixels on the right or bottom edge might be trimmed. For pixel-perfect results, resize your source image to dimensions that divide cleanly by your grid size before uploading.
What format are the output tiles?
All tiles are saved as PNG files, which preserves transparency and quality without compression artifacts. PNG works well for most uses — social posts, printing, web backgrounds, game assets.
Can I control the tile filenames?
The tool names tiles automatically using the original filename plus the row and column number. If you uploaded design.jpg and split it into a 2×2 grid, you get design-1-1.png, design-1-2.png, design-2-1.png, and design-2-2.png. Rename them manually after download if you need different names.
How do I reassemble the tiles later?
The filenames include row and column numbers so you know the order. For Instagram, upload them in sequence. For printing, lay them out in a grid matching the row and column structure. For web or game use, your code or engine will handle the tile positioning based on the grid layout you defined.
Is there a file size limit?
No hard limit — the tool processes everything in your browser. Very large images or high tile counts may take a moment to generate since each tile is drawn individually on a canvas, but it will work as long as your browser has enough memory.
Does the tool upload my image anywhere?
No. Everything happens locally using the browser Canvas API. Your image never leaves your device.