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Choose imageAbout the Grid Splitter
Slice one picture into a grid of equal tiles: choose up to ten rows and ten columns, see the cut lines overlaid on your photo, and download every piece as a separate, numbered PNG. The classic use is the Instagram grid — split a wide panorama or a bold graphic 3×3 and post the tiles in reverse order to build a seamless mosaic on your profile.
Beyond social media, the splitter earns its keep making puzzle pieces, cutting sprite sheets apart, preparing images for multi-monitor wallpapers and breaking oversized graphics into printable sections. Files are named by row and column so reassembly is foolproof. As with every Tooldoodle image tool, the slicing happens in your browser — the original photo is never uploaded, and there's no charge or sign-up.
Features
- Split into any grid up to 10 rows by 10 columns
- Live overlay shows exactly where cuts will fall
- Every tile downloads as a separate lossless PNG
- Tiles auto-named by row and column for easy reassembly
- Ideal for Instagram 3×3 grids and banner carousels
- Sliced locally in your browser with nothing uploaded
How to split an image into a grid online
- Drop the image you want to slice onto the tool.
- Enter the number of rows and columns — 3×3 for an Instagram grid.
- Check the overlay to see where each cut lands.
- Click Download all and allow multiple downloads if your browser asks.
- Post or reassemble the numbered tiles in order.
Frequently asked questions
How do I make an Instagram grid from one photo?
Set the splitter to 3 columns and as many rows as you want (1 for a banner, 3 for a square grid), download the tiles, then post them in reverse order — bottom-right tile first, top-left last. Instagram displays newest posts first, so the mosaic assembles correctly on your profile.
Why does my browser ask permission to download files?
Each tile is saved as its own PNG, and browsers ask before letting a page trigger multiple downloads — it's a standard safety prompt, not a fault. Click Allow once and the remaining tiles download automatically, spaced a fraction of a second apart.
How are the split tiles named?
Every file carries its grid position — row number, then column number — appended to your original filename, for example photo-2-3.png for the second row, third column. That makes it trivial to reassemble the image or post tiles in the right sequence.
What if my image doesn't divide evenly?
Tile dimensions are rounded down to whole pixels, so an image whose width or height isn't an exact multiple of the grid loses at most a few pixels along the right and bottom edges. For pixel-perfect splits, resize the image to dimensions divisible by your row and column counts first.
Is the image uploaded when I split it?
No. Each tile is cut from your photo on a canvas running locally in your browser, and the PNGs are generated on your device. Nothing touches a server, so the tool is as private as doing the job in desktop software — just faster.