What page size does the Sudoku Generator PDF use?

Pick US Letter (8.5x11), A4, or a KDP trim size (6x9, 7x10, 8.5x11). Switching trim sizes regenerates the PDF instantly.

Can I sell these pages on Amazon KDP?

Yes - all generated PDFs are royalty-free for you to use commercially, including in low-content books you publish on KDP.

No. Every tool on Bookbolt Free Tools runs in your browser, with no watermark.

Puzzle & Activity Books

Generate printable 9x9 Sudoku puzzles with answer keys. Free, unlimited.

100% freeNo signupBuilt for KDP

Adjust the options, then download your printable PDF.

Page size

Number of puzzles

Include answer key

Free to use commercially, including books you publish on Amazon KDP.

Free 3-day trial

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