PhotoToColorByNumber

Turn photos into color by number and pixel art

What is PhotoToColorByNumber?

PhotoToColorByNumber is a free, privacy-first web tool that transforms personal photos into printable color by number pages and pixel art mosaics. Featuring both vector contour and pixel grid modes, custom palettes, and instant PDF exports, it runs 100% in-browser.

Key features

Processes photos locally in your browser for full privacy.
Creates 300 DPI printable PDFs for Letter and A4.
Offers contour outlines and geometric grid styles.
Supports custom palettes from 4 to 24 colors.
Handles batch uploads with PNG, JPG, and WebP.
Includes printable worksheet library and guided tutorials.