The W3C Markup Validation Service (original) (raw)
Validate by URI
Validate a document online:
Address:
| Character Encoding | Only if missing | |
|---|---|---|
| Document Type | Only if missing | |
| List Messages Sequentially Group Error Messages by Type | ||
| Show Source | Clean up Markup with HTML-Tidy | |
| Show Outline | Validate error pages | Verbose Output |
Validate by File Upload
Upload a document for validation:
File:
| Character Encoding | Only if missing | |
|---|---|---|
| Document Type | Only if missing | |
| List Messages Sequentially Group Error Messages by Type | ||
| Show Source | Clean up Markup with HTML-Tidy | |
| Show Outline | Validate error pages | Verbose Output |
Note: file upload may not work with Internet Explorer on some versions of Windows XP Service Pack 2, see ourinformation page on the W3C QA Website.