w3-html

Learn. Code. Succeed.

Ctrl + /

Home Tutorials AI Tools Developer Tools Playground Blog Challenges Interview Q&A

Data Formatter & Validator

Format, validate, and minify JSON, HTML, and XML code instandffftly.

Format Type: Indent:

Input

Formatted Output

✓ Copied to clipboard!

w3-html

Learn. Code. Succeed.

w3-html is a free online learning platform for web developers and programmers. Learn with tutorials, examples and real-world projects.

Tutorials

HTML Tutorial CSS Tutorial JavaScript Tutorial PHP Tutorial Python Tutorial React Tutorial Laravel Tutorial

Developer Tools

Code Formatter Minifiers Converters Generators Validators Encoders / Decoders Other Tools

Resources

Blog Interview Q&A Coding Challenges Projects Cheatsheets Roadmaps Sitemap

Company

About Us Contact Us Privacy Policy Terms of Service Disclaimer

© 2026 w3-html.com. All rights reserved.

Made with for developers