Upload a Sudoku image to have it scanned and converted to digital format.
Choose one of the example images or upload your own with the "+" button.
Sudoku OCR is a fast, accurate tool that scans Sudoku puzzles from images and converts them into a usable digital format. Whether you're a puzzle enthusiast or an app developer, Sudoku OCR makes it easy to extract Sudoku grids from photos, screenshots, or scanned documents.
Sudoku OCR uses a purpose-built AI algorithm trained specifically for Sudoku image recognition. It can:
The algorithm has been carefully optimized to be both fast and accurate, making it a reliable choice for real-time Sudoku puzzle extraction.
Upload your image to Sudoku OCR to have it scanned and converted to a digital format. You can then copy the puzzle string (an 81-character text format where empty cells are represented by a 0) and paste it into your favourite Sudoku app - if it supports importing from a puzzle string.
If you have any questions, suggestions or feedback, you can contact the developer at alex@sudoku-ocr.com.