Articles tagged “image”

All articles about image: 13 practical guides and tutorials from our free, privacy-first online tools.

image-tools 2026-07-27

How Many Photos Do You Actually Need for a Photo Mosaic?

How many photos a mosaic really needs, why 20 photos lean on the tint and 300 lean on the match, and how to set tint, variety and dithering for your library.

image photo mosaic collage

image-tools 2026-07-25

Using Your Own Color Palette in Paint by Numbers

Set a custom color palette paint by numbers workflow: match your own acrylics, hex codes, or brand colors instead of an auto-picked palette.

image paint by numbers custom palette

image-tools 2026-07-13

Dithering Explained: Floyd–Steinberg vs Ordered

What dithering is and how it fakes shades with a tiny palette. Floyd–Steinberg error diffusion vs ordered Bayer dithering compared, with when to use each.

image pixel art dithering

image-tools 2026-07-10

How to Turn a Photo into Pixel Art

A step-by-step guide to converting any photo into pixel art: choosing a grid size, picking a palette, adding dithering, and exporting a crisp PNG.

image pixel art retro

image-tools 2026-07-09

How Paint by Numbers Generators Work

How photo-to-paint-by-numbers tools work: k-means color quantization, k-means++ seeding, CIELAB clustering, region tracing, and number placement explained.

image paint by numbers color quantization

image-tools 2026-07-08

How Many Colors Should Paint by Numbers Have?

How to choose the number of colors for a paint-by-numbers template: why more isn't always better, ideal counts by subject, and how to avoid a muddy result.

image paint by numbers color count

image-tools 2026-07-06

Turn a Photo Into a Custom Paint by Numbers Canvas

A step-by-step guide to converting any photo into a printable custom paint-by-numbers canvas for free — choosing a photo, colors, outlines, and printing tips.

image paint by numbers custom canvas

image-tools 2026-06-19

Paint by Numbers Portraits: Faces and Skin Tones

A practical guide to paint by numbers portraits: why faces are hard, how to shoot better source photos, and how detail-focused skin-tone tools help.

image paint by numbers portraits

image-tools 2026-05-25

SVG vs PNG for Paint by Numbers: Which Download to Choose

SVG vs PNG paint by numbers: when to pick each format for crisp prints, quick sharing, and every canvas size — plus how they connect to color quantization.

image paint by numbers svg

image-tools 2026-05-13

Paint by Numbers for Beginners and Kids: Easy Templates

How to create easy paint-by-numbers templates for beginners and children: how many colors to use, keeping regions large, and simple photos that work best.

image paint by numbers kids