Select the size of your sudoku puzzle:

4x4 (group size 2x2)
6x6 (group size 2x3)
6x6 (group size 3x2)
9x9 (group size 3x3)
12x12 (group size 3x4)
12x12 (group size 4x3)
16x16 (group size 4x4)
25x25 (group size 5x5)
36x36 (group size 6x6)
Custom size: group width: group height:


Select the used characters:

[1,2,3,4,5,6,7,8,9]
[0,1,2,3,4,5,6,7,8]
[A,B,C,D,E,F,G,H,I]