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.
Read more →Articles tagged “image”
All articles about image: 9 practical guides and tutorials from our free, privacy-first online tools.
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.
Read more →
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.
Read more →
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.
Read more →
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.
Read more →
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.
Read more →
How Image Compression Works: JPEG, PNG, WebP, AVIF
Deep dive into image compression algorithms: JPEG DCT quantization, PNG DEFLATE filtering, WebP VP8, and AVIF AV1. Understand lossy vs lossless compression.
Read more →
Optimize Images for Web Performance and Core Web Vitals
A practical guide to image optimization for Core Web Vitals: formats, responsive images, lazy loading, quality settings, and compression workflows.
Read more →
Best Image Formats for the Web: JPEG vs PNG vs WebP vs AVIF
Compare JPEG, PNG, WebP, and AVIF image formats for web use. Learn when to use each format for optimal quality, file size, and Core Web Vitals.
Read more →