How do I post it so the grid lines up?

The files are numbered in the exact order to post them (post-01 first) so the pieces reassemble into your photo on your profile.

Are my photos uploaded?

No — the split happens on your device.

Split one photo into a seamless 3×3 (or 3×1, 3×2) Instagram grid, numbered in posting order. In your browser.

Grid

Drop an image here or click to choose

drop a photo — split into a perfect Instagram grid, on your device

ad — below result

How do I post it so the grid lines up?: The files are numbered in the exact order to post them (post-01 first) so the pieces reassemble into your photo on your profile.
Are my photos uploaded?: No — the split happens on your device.

ad — mid

🔒 Your files never leave your device. This tool runs entirely in your browser — nothing is uploaded.