Sudoku Solver

Input any Sudoku puzzle and solve it with backtracking. Step-by-step animation, validation, and keyboard navigation.

37.5Kuses
8.8/10(53)
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Click a cell, then type 1-9 or use number pad ยท Arrow keys to navigate

How to Use the Sudoku Solver

  1. Click cells and type numbers 1-9 to enter your puzzle.
  2. Use arrow keys to navigate between cells.
  3. Click Lock & Solve to solve the puzzle.
  4. Watch the animated backtracking solution.

Features

  • Backtracking algorithm solver
  • Animated step-by-step visualization
  • Input validation and conflict detection
  • Keyboard navigation (arrow keys + number input)
  • Sample puzzle included
  • 100% client-side processing

Disclaimer: This tool is provided as-is for informational and educational purposes only.

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