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

The old version of the solver is available here.

Follow sudokuSolutions on Twitter
Features
Solving
Puzzle Analysis
Candidates
Puzzle

Samples ( 3504 sample puzzles available )
Sample Puzzle Number:

How to use

This solver offers a number of features to help you improve your solving skills and practice solving strategies. First enter the numbers of the puzzle in the grid or enter them via the "Load" button. You can then completely solve the puzzle or use the appropriate buttons to check the validity of the puzzle, get tips for step by step solving and more. See the button descriptions below for more information.

This is what the buttons do:



Comments and suggestions to support@sudoku-solutions.com