Tap any cell to enter 1–9. Fill the clues in any order.
Choose a clear photo of a printed puzzle. Your image stays in this browser.
Drag the four handles to the outer corners of the Sudoku grid. Keep the top of the puzzle facing up.
A straight, well-lit photo works best. Handwriting and pencil notes may need corrections.
Compare with the photo above. Amber cells need attention. Tap any cell to correct or clear it; check blank cells too.