Sudoku Solver

If you have a problem or you got stuck with solving sudoku, this site is just for you.

This site contains Sudoku Solver, a very useful application which is able to solve a sudoku puzzle step-by-step and give you an explanation of each step. The application can also generate and print sudokus. You can also solve sudokus by yourself with help of the solver.

Type your puzzle below, click on the button "Hint!" and get a hint of the next step with an explanation below the grid. To enter a number, click in the middle of the selected cell and click the apprioprate value. You can also move between fields by using arrow keys and you can use the keys from 0 to 9 to enter a value. You can enter sudoku as a string of 81 digits (0 for an empty field) in the "New" box and click on "Import". If you just want to see the solver in action, select the difficulty level, click on the button "Generate" and then click on the button "Hint!". You can also print the puzzle by clicking the button "Print". You can also solve a sudoku puzzle by yourself if you want. When "Candidates" option is active, you can manually remove candidates.

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  • Solution check
  • Candidates
  • Mark cells with the candidates
    1
    2
    3
    4
    5
    6
    7
    8
    9
    Mark cells manually
                      off
    Mark conjugated pairs
    1
    2
    3
    4
    5
    6
    7
    8
    9


Creating a new sudoku puzzle.
Create your puzzle manually.
Finish creating your puzzle.
Change the sudoku type.
Open saved sudokus.
Save the current sudoku.
Delete save sudokus.
Give a hint!
Give a number of solutions and the methods used.
Automatic solution check.
Display candidates.
Print the sudoku grid.
Generate a new sudoku puzzle.
Replay the last generated or imported sudoku puzzle.
Import a sudoku puzzle.
Export the sudoku to the form of string.
Select cells.
Select cells containing candidates.
Mark cells with two candidates
Mark conjugated pairs.
Unselect all cells.
Color cells with the selected color.
Show the methods.
Processing. Please wait.
1. Choose a sudoku type.
    • Classic Sudoku
    • Sudoku X
    • Sudoku Y
    • Sudoku Mini
2. Choose the way of creating a new sudoku puzzle.
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Save sudoku as 
 
Open sudoku
     
    Delete sudoku
     
    Recommend Sudoku Solver