4x4 Sudoku Solver
Use this 4x4 mini Sudoku solver to check a puzzle or finish a grid quickly. Enter the given clues with digits 1 to 4, then select Solve Sudoku to fill the remaining cells.
How to use this 4x4 Sudoku solver
Type the known values from your puzzle, leave unknown cells blank, and solve when you want to verify the full answer. A valid 4x4 Sudoku uses digits 1 to 4, and each row, column, and 2x2 box contains each digit once.
Need another Sudoku grid size?
Play a 4x4 mini Sudoku puzzle, open the standard 9x9 Sudoku solver, or switch to the advanced 16x16 Sudoku solver.