Solve Sudoku from a photo

Stuck on a Sudoku in a newspaper, magazine, or puzzle book? Take a photo with your phone or upload an existing picture. SudokuPhoto reads the grid, helps you check the clues, and solves the puzzle.

How to solve a Sudoku from a photo

  1. Take a clear photo of the whole grid with your phone, or upload a JPEG, PNG, or WebP image.
  2. Check the recognized grid and numbers against the photo. Correct any uncertain cells, then confirm the clues.
  3. Select “Solve Sudoku” to see the answer. You can save the solved grid as a PNG image.

Already filled in some numbers by hand?

Choose “Printed numbers only” before recognition. The filter attempts to remove handwritten entries and pencil marks so the original printed puzzle can be solved. Check the remaining clues against the photo before solving.

Sudoku from newspapers and magazines

The solver supports classic 9×9 and 16×16 Sudoku, plus connected grids such as Samurai Sudoku. You can also enter clues manually when a photo is difficult to read.

Your photo stays on your device

Photo recognition and solving run in your browser. Your picture is not uploaded to a server.

Questions about solving Sudoku by photo

Can I take a photo with my phone?

Yes. Open the site on your phone and select “Take photo”. Allow camera access when your browser asks.

Can I upload a photo I already have?

Yes. Select “Upload photo” and choose a JPEG, PNG, or WebP image up to 25 MB.

What if I have already written answers in the newspaper?

Select “Printed numbers only” before recognizing the photo. Review the imported clues because the filter may miss handwriting or remove a printed digit.

What if a number is recognized incorrectly?

Compare the photo and grid, then tap or click the cell to correct the number before solving.