Is my data private when using Nonogram Solver & Picross Studio?

Yes, 100%. All processing and transformations run entirely client-side in your web browser using Web APIs and WebAssembly. No data, text, tokens, or files are ever sent to any remote server.

Is Nonogram Solver & Picross Studio free to use?

Yes, all tools on util.farm are completely free, open, and fast with no account registration, ads, or usage limits.

Nonogram Solver & Picross Studio

Grid Size:

Random:

Tool:

Space Invader 10×10

0:00 Ready

🖱️ Click/Drag: Fill 🖱️ Right-Click/Shift-Drag: Cross (X) ⌨️ Arrows move, Z/Space fill, X cross, C clear

0/10 Rows, 0/10 Cols Completed

Solving Engines & Logic

Speed:

Show mistakes

Analysis & Metrics Easy

Solution Status: 1 Unique Solution

Completion 0%

Filled (■)

0

Crossed (X)

0

Unknown (?)

100

Time: 0.00 ms Passes: 0 Branches: 0

Logical Deduction Log Step 0 of 0

Ready for solving Grid Initialized

Click "Step Deduction" to advance one logical line analysis, or "Solve Instantly" to complete the entire puzzle.

Draw Your Own Puzzle Paint a picture and the clues update as you draw. Drag to draw; starting on a filled cell or right-dragging erases.

W H

Colours:

Not checked yet

1. Choose Image / Sprite Client-Side Canvas

Drop image here or click to browse

Supports PNG, JPG, SVG, WebP, GIF

Or pick sample icon:

2. Binarization & Dimensions

Target Width:

Target Height:

Output:

Dithering Algorithm:

Binarization Threshold:

Otsu Auto 128

Brightness: 0

Contrast: 0

Invert Colors (Dark background $\leftrightarrow$ Light subject)

3. Converted Nonogram Preview Unique Solvable

Source Image

Generated Nonogram

Clues generated: 15 Rows, 15 Columns

Category:

Size: Difficulty:

Export Formats & Code

Import Puzzle (.non or JSON)

Printable Puzzle Sheet (High-Res PNG)

Export clean 300-DPI printable paper puzzle sheets with row and column clue margins and bold 5×5 grid lines for pencil solving.

Include Solution Artwork

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