Convert Images to Puzzles
Upload any photo, logo, or artwork and instantly convert it to a nonogram puzzle. Adjust threshold to control complexity - perfect for creating custom branded puzzles!
100% Free & No Sign-Up
Free Nonogram Puzzle Maker
Create custom nonogram (picross) puzzles online with our free generator. Convert images to puzzles, draw your own grids, and download printable PDFs with answer keys. Perfect for teachers, educators, and logic puzzle fans!
No account needed · Unlimited puzzles · Free printable PDF export
Create Your Nonogram Puzzles
Loading generator
Why Use Our Free Nonogram Puzzle Maker?
Hand-Draw Custom Grids
Click cells to paint your own patterns on the grid. Create original designs, letters, or pixel art - then generate hints automatically.
Printable PDFs with Answers
Download high-quality printable nonogram puzzles with separate answer keys. Multiple paper sizes supported (A4, Letter) for classroom and personal use.
100% Free & No Sign-Up
Create unlimited nonogram puzzles, adjust grid sizes up to 30×30, and export PDFs - all completely free with no registration required.
How to Create a Nonogram Puzzle
1
Choose Grid Size or Upload Image
Select a grid size (10×10 to 30×30) for manual drawing, or upload a photo/image to auto-convert into a nonogram puzzle.
2
Draw Pattern or Adjust Settings
Click cells to paint your design, or fine-tune the image threshold to control which pixels become filled cells in your puzzle.
3
Download Printable PDF
Export your nonogram as a PDF with generated row/column hints. Optionally include the answer key for verification and teaching.
Nonogram Puzzles for Teachers, Students & Puzzle Lovers
Education & Classrooms
Create printable nonogram worksheets for logic training and critical thinking exercises. Turn curriculum themes into engaging visual puzzles for students of all ages.
Personal Entertainment
Design custom nonograms for brain training, relaxation, or sharing with friends. Convert family photos or favorite images into unique logic puzzles.
Events & Team Building
Generate branded nonogram puzzles for corporate events, parties, or competitions. Create themed puzzles for holidays, birthdays, or special occasions.
What is Nonogram?
Nonogram, also known as Picross, Griddlers, Paint by Numbers, or Hanjie, is a picture logic puzzle where you reveal a hidden image by filling in cells based on number clues. Each number indicates consecutive filled cells in that row or column. Created by Non Ishida in Japan (1987), the puzzle gained global popularity through Nintendo's Picross series. Unlike Sudoku, nonograms reward visual and spatial reasoning, making them excellent tools for developing pattern recognition and logical deduction skills in both children and adults.
Nonogram Solving Tips
Start with Completed Rows/Columns
Look for clues that fill the entire row or column (e.g., '10' in a 10-cell row). These are guaranteed to be correct and provide anchor points for solving adjacent cells.
Use Cross-Checking
Solve rows first, then check columns (or vice versa). Where a solved row intersects with column clues, you can mark empty cells as definite blanks using X marks.
Look for Edge Overlaps
If a clue is more than half the row/column length, you can deduce some middle cells must be filled. For example, '7' in a 10-cell row guarantees cells 4-7 are filled regardless of alignment.
Nonogram Tips & Articles
Learn more about nonogram puzzles and logic games
Article8/24/2026
Word Scramble Worksheets by Grade: K-2 to Middle School
How teachers and parents use word scramble worksheets from K-2 to middle school, with a free printable back to school list and difficulty tips per grade.
Read more
Article8/10/2026
First Day of School Activities for Every Grade (K-12)
Low-prep first day of school activities for kindergarten through high school, plus a free printable back to school word search and crossword for day one.
Read more
Article7/8/2026
Y-Wing Sudoku Technique: Step-by-Step Guide
A clear, step-by-step guide to the y wing sudoku technique: what a y-wing is, how to find the pivot and pincers, and how it differs from an X-Wing.
Read more
Explore More Puzzle Tools
Try our other free puzzle generators
Jigsaw Maker
Create custom jigsaw puzzles from your photos
Sudoku Generator
Generate printable Sudoku puzzles with 4 difficulty levels
Crossword Maker
Build crossword puzzles with your own words
Word Search Maker
Make word search puzzles for any occasion
Bingo Card Maker
Create custom bingo cards with AI-powered word lists
Maze
Create printable mazes with adjustable size and difficulty
Cryptogram Maker
Turn quotes into letter-substitution puzzles, printable or shareable
Word Scramble Generator
Turn any word list into a printable scramble worksheet with answer key
Double Puzzle Maker
Unscramble words, then read the numbered letters to reveal a hidden message
Nonogram Puzzle Maker FAQ
Common questions about our nonogram puzzle maker