ValidateHTML
ValidateHTML integrates 13 distinct validation and formatting tools into a unified web interface, supporting…
Tby ThéoAbout ValidateHTML
The problem: web validators are scattered. The W3C validator is slow and clunky. JSONLint only does JSON. CSS Lint is dead. Most tools look like they were built in 2003. ValidateHTML brings 13 essential validation and formatting tools into one clean, fast, free site — no account, no paywall, no rate limits. --- **Tools included** Validators: - HTML Validator (standards compliance + common errors) - HTML5 Validator - CSS Validator - JSON Validator - XML Validator - Open Graph tag checker - Meta tags analyzer - robots.txt validator - Accessibility checker - Page size analyzer Formatters: - HTML…
What you can do with it
- Validate HTML against HTML5 standards from code or a URL
- Format and beautify HTML, JSON, CSS, and XML code
- Check SEO and accessibility markup on web pages
Who it's for
Web developers and site owners who need to validate and format web code