Guides & how-tos

Short, practical guides that explain how to use FreetoolsY tools and the concepts behind them.

What is a JSON formatter and how do you use it?

Learn what JSON formatting is, why clean indentation matters, and how to format, validate and pretty-print JSON instantly in your browser.

Understand the essential meta tags — title tag and meta description — and how to write optimized, click-worthy metadata for every page.