Image guides
Short, practical guides to image formats, compression and web performance — written by the team behind ImgWand's free, on-device image tools. No fluff, real numbers, current as of 2026.
WebP vs PNG
File sizes, transparency and browser support compared — and clear rules for when each format is the right choice.
Read the guide →AVIF vs WebP
AVIF compresses better, WebP is easier to live with. An honest look at speed, tooling and support in 2026.
Read the guide →What is a HEIC file?
The iPhone photo format explained: why Windows struggles with it, how to convert it, and how to shoot JPG instead.
Read the guide →How to reduce image file size
Resize first, then format, then quality, then metadata — the four-step workflow that turns 4 MB photos into 150 KB.
Read the guide →Favicon sizes & formats
The minimal modern favicon set for 2026: ICO, SVG, apple-touch-icon and manifest icons, with the exact HTML tags.
Read the guide →Best image format for the web
A decision guide by use case: photos, screenshots, logos, transparency and animation — with the reasoning behind each rule.
Read the guide →Every tool mentioned in these guides runs entirely in your browser — files are never uploaded. Browse all tools.