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Split image, without the upload.

Cut a picture into a grid of tiles, like the three squares of an Instagram strip, and save them all in one zip. Photos, scans and screenshots stay on your device.

  • Free, no sign-up
  • Rows and columns you choose
  • All the tiles in one zip

Drop a picture to split

or choose from your computer paste with Ctrl V

Ready · JPG, PNG and WebP · several at once0 bytes uploaded, ever

How to split an image into a grid

  1. Add your picture

    Drop it above or choose it. It appears as it looks on screen, turned the right way up.

  2. Pick the grid

    Choose a preset or type the rows and the columns. The lines on the picture show where it will be cut.

  3. Split and download

    Save the zip. Your original is untouched.

What stays and what doesn't

The tiles are new files. These are the things that do not come along to them:

  • camera and capture details such as make, model and date taken
  • the GPS location
  • titles, authors, keywords and comments
  • the small preview stored inside the file
  • content credentials and edit history (C2PA)
  • the embedded colour profile (colours are changed to sRGB first; very saturated colours can look slightly flatter)
  • the stored print resolution
  • other data stored in or after the picture, such as a motion-photo clip, program-specific blocks or a modification time

A JPEG or WebP saved again loses a little detail.

When it won't run

Two things stop a run before it writes anything, and each is said on the file's row. A file that cannot be read is reported as damaged, and a picture too large for this device says so, with the limit. In both cases nothing is changed and your original stays as it was. A file in a format the page does not take, such as a GIF, gets a sentence instead of a row.

  • The picture is an animation. This tool would keep only the first frame, so it leaves the file alone.
  • The picture stores its colours as CMYK. This tool can't change it without altering the colours.
  • The picture stores 16 bits per colour. This tool works in 8 bits and would flatten it, so it leaves the file alone.

Splitting a picture: what to expect

Every tile is the same size to within one pixel. When the picture does not divide evenly, Spread shares the leftover pixels between the tiles, so nothing is lost. Trim edges makes every tile exactly the same size and cuts the few leftover pixels off the outside, half on each side.

A photo taken sideways is cut the way it looks on screen, not the way it is stored. The tiles are named by row and column, so a folder lists them in reading order. For an Instagram grid, post the last tile first, so the first one ends up at the top left.

Each tile is saved in the picture's own format. A PNG is cut exactly, so the tiles fit back together pixel for pixel. A JPEG or a lossy WebP is saved again, so each tile loses a little detail. The camera details and the location do not come along. A picture too small for the grid, or too big for your device, is refused with a sentence before anything is made.

Questions

Are my pictures uploaded?

No. Your pictures are processed inside your browser, on your own phone or computer, and saved straight from this page. The reading at the top of the page counts every byte sent, and it stays at 0 B.

How do I split an image for Instagram?

Choose the strip preset for three tiles in a row, or the three by three preset for a block of nine. Post the tiles in reverse order, the last one first, so the first one lands at the top left of your profile.

Are the tiles all the same size?

Yes, to within one pixel. If the size does not divide evenly, Spread gives a few tiles one pixel more. Trim edges makes them exactly equal and cuts the leftover off the outside.

Can I put the tiles back together?

For a PNG they fit together pixel for pixel. A JPEG or a lossy WebP is saved again tile by tile, so the joins can show a faint line.

How many tiles can I make?

Up to twenty rows and twenty columns, as long as the picture has at least one pixel for each tile.

Is the picture sent anywhere?

No. It is read and cut on your device, and nothing is uploaded.

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