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Once Books
Free tool

Free nonogram generator, with the solved picture

Pick a size and generate a picture-logic puzzle, then print it with the solved picture. Every puzzle solves by logic alone, with no sign-up and no watermark. It runs on the same engine as our KDP Publisher Studio.

Larger grids have more lines to track. Every puzzle solves by logic, with no guessing.

10×10, 75 filled cells. The row and column numbers are the run-lengths of the hidden picture.

Two pages: the puzzle and its solved picture. Every puzzle is proved to solve by logic alone, by the same engine as our KDP studio.

Want the whole book?

This makes one puzzle. Sign up to turn it into a full nonogram book for Amazon KDP: hundreds of graded picture-logic puzzles at any trim, as print-ready PDFs.

Build the full book

Free to build · pay once to export

Preview

How to make a nonogram

  1. 1Pick a difficulty. Choose a grid size from a gentle 5 by 5 up to a 15 by 15. Larger grids have more rows and columns to track, so the solve takes longer.
  2. 2Generate the puzzle. Press Generate puzzle. You get a fresh grid with row and column number clues, and a hidden picture that the clues reveal. Every puzzle is proved to solve by logic, with no guessing.
  3. 3Print the two pages. Press Print / save PDF. You get two pages: the empty grid with its clues on page one and the solved picture on page two.

Publishing a whole book?

This tool makes one puzzle for home or the classroom. To make a nonogram book you can sell on Amazon KDP, Publisher Studio generates hundreds of graded picture-logic puzzles across a difficulty curve, at any KDP trim, as a print-ready interior and solutions PDF.

See the KDP nonogram maker

Questions

What is a nonogram?
A nonogram, also called a picross or griddler, is a picture-logic puzzle. The numbers beside each row and column are the lengths of the filled runs in that line. You shade cells until every clue is satisfied, and a picture appears.
Is this nonogram generator free?
Yes. Pick a difficulty, generate a puzzle and print the grid plus its solved picture, with no sign-up and no watermark. It is free for classroom, home and personal use.
Does every puzzle solve by logic alone?
Yes. Every puzzle is generated so that row and column deductions alone reveal the whole picture, with no guessing, and that is verified by the same solver our Publisher Studio uses. A puzzle is never ambiguous or unsolvable.
Does it include the answer?
Yes. Every puzzle prints as two pages: the clues on page one and the solved picture on page two, so you can check your work.
What size are the pages?
The free tool prints at 8.25 by 11 inches, a popular large-print size. Our Publisher Studio will export the same book at any KDP trim, from 5.06 by 7.81 up to 8.27 by 11.69, as a print-ready 300 DPI interior.

Make a nonogram book to sell on KDP

Hundreds of graded puzzles, any KDP trim, print-ready PDFs. Start free.