Processed locally in your browser, never uploaded to this site's server.

Sudoku Generator

Generate and print random Sudoku puzzles on A4 paper, with selectable difficulty and custom grid layouts.

Loading...

How to Use

Choose the difficulty level: easy, medium or hard.
Pick how many puzzles fit per row; the page fills automatically. Click Generate to create a new set of puzzles.
Preview the page; toggle the solution to check the filled answers.
Print the A4 page or download it as an image.

Verified Solutions – Every puzzle is generated from a complete solution and double-checked for a unique answer, so it is always solvable.
No Duplicates – All puzzles on a page are guaranteed to be different.
Auto-Fill Layout – Choose 2 or 3 puzzles per row and the sheet fills with as many rows as fit.

Generate and print weekly meal planning sheets with customizable meal periods and shopping list.

Generate printable A4 reading log cards with pre-printed title and author. Supports 1 or 2 column layouts with adjustable notes rows and cut lines.

Generate printable A4 todo list templates with customizable task groups and minor tasks.

Generate printable A4 calligraphy practice paper with square grid, tian-zi-ge, mi-zi-ge, horizontal or vertical line styles.