Image guides
Practical guides to image formats, compression, HEIC photos and favicons — with free tools that run in your browser.
How to Compress Images Without Losing Quality
Practical ways to make JPG, PNG and WebP files much smaller while keeping them looking exactly the same — no software or upload needed.
How to Convert HEIC to JPG on Windows (Free, No Software)
iPhone photos saved as HEIC will not open on many Windows PCs. Here are three ways to turn them into JPG — including one that needs no installation at all.
How to Make a Favicon (ICO) for Your Website
Create a crisp favicon.ico from your logo in a minute — which sizes to include, how to add it to your site, and how to avoid a blurry icon.
How to Reduce Image Size to 100 KB (or 50 KB, 20 KB)
Many forms only accept photos under 100 KB or even 20 KB. Here is how to shrink an image to an exact size limit without making it look terrible.
JPG vs PNG vs WebP vs AVIF: Which Image Format Should You Use?
A plain-English comparison of the four most common image formats — file size, quality, transparency and compatibility — with clear recommendations.