Type 1–9 for clues; 0, space or another character skips a blank.
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.
Check clues and blanks; amber needs attention. Typing advances; 0 or space skips.
A straight, well-lit photo works best. Handwriting and pencil notes may need corrections.