Printmint

Free Sudoku Generator

Pick a difficulty and get a printable sudoku with its solution โ€” instantly, in your browser. Every puzzle has exactly one answer. No sign-up.

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Selling puzzle books? Printmint Pro removes the footer credit and adds a commercial license, bulk puzzle packs & custom branding. Learn more โ†’

Tip: โ€œSave as PDFโ€ with Default margins for a clean single-page puzzle.

How this sudoku generator works

Printmint builds a complete, valid 9ร—9 solution, then removes numbers one at a time โ€” checking after each removal that the puzzle still has a single unique answer. That means every puzzle you print is fair and solvable by logic alone, with a matching answer key.

Difficulty