Rustoku UI

Sudoku solved entirely in your browser with WASM

Theme

Generating Puzzle...

Difficulty -

Clues 0

Progress 0/81

About Rustoku UI

Rustoku UI is a WebAssembly-powered interface for Rustoku, a lightning-fast Sudoku solver and generator built entirely in Rust.

Features

Fast solving: Solves puzzles in microseconds using bitmasking and backtracking with MRV heuristic
Puzzle generation: Creates unique puzzles with guaranteed single solutions
Human techniques: Employs solving strategies like Naked Singles, Hidden Pairs, and more
Multiple distributions: Available as Rust library (crate), CLI, WebAssembly, and Python bindings

Keyboard Shortcuts

1–9 Enter digit in cell

Backspace / Del / 0 Erase cell digit

↑ ↓ ← → Navigate grid cells

Ctrl/Cmd + Z Undo last action

Ctrl/Cmd + Y Redo action

C Toggle candidates

Esc Deselect active cell

Links

GitHub Repository
API Documentation
Crates.io

Game Settings

Difficulty

Symmetry

Board String