Toolbox

Sudoku Studio

Generate solvable Sudoku (easy → hard), then print or download a clean sheet with an answer key.

Premium studio — runs entirely in your browser, nothing gets uploaded.

How to use

  • Pick a difficulty
  • Hit New puzzle
  • Print or download with an answer key
Free preview — printed & downloaded puzzles carry a light Rubitec watermark. Unlock clean, licensed output with any donor rank — from A$5/mo, ask in our Discord 💚

Pick a difficulty and hit New puzzle to begin.

Love puzzles? Rubi makes whole books of them — browse the puzzle books →

Free gamer tool, re-themed for Rubitec. No sign-up, no tracking — your files and text never leave this device.

Sudoku Studio · Rubitec