Guides

These guides explain the concepts behind the tools on iloveutil.com. The goal is to make each page useful even if you never click a button: you should understand what is happening, what trade-offs exist, and what to do when results look wrong.

How Image Compression Works

A practical explanation of why images get large, what lossy and lossless compression mean, how JPEG/PNG/WEBP differ, and how to choose sensible settings for real projects.

Looking for tools instead?

Start with Categories or browse the complete All Tools directory.