The Basic tool is a free and convenient desktop application that can perform four types of validation:
Other great features:
- Validate local pages, and pages on intranets or other private sites
- Fast response with local results for security
- One-click, and DOM-based validation using our browser extensions
- Versions available for Windows, OS X, and Linux
Upgrade to the Pro tool for many more features, including validating an entire website, validating multiple websites in one go, validating behind simple login forms, and CSS validation.