#[1]help [2]Home Page [3]alternate

[4]W3C Logo [5]Markup Validation Service

   Check the markup (HTML, XHTML, ...) of Web documents

     * [6]Validate by URI
     * [7]Validate by File Upload
     * [8]Validate by Direct Input

   Validate by URI

   Validate a document online:

   Address: _____________________________________________

   [9]More Options

   Character Encoding [(detect automatically)___________]      [ ] Only if missing
     Document Type    [(detect automatically)________________] [ ] 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

   Check

   Validate by File Upload

   Upload a document for validation:

   File:

   [10]More Options

   Character Encoding [(detect automatically)___________]      [ ] Only if missing
     Document Type    [(detect automatically)________________] [ ] 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

   Check

   Note: file upload may not work with Internet Explorer on some versions of Windows
   XP Service Pack 2, see our [11]information page on the W3C QA Website.

   Validate by direct input

   Enter the Markup to validate:

   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________
   ________________________________________________________________________________

   [12]More Options

   (*) Validate Full Document
   Use Doctype: [(detect automatically)________________] [ ] Only if Doctype is
   missing
   ( ) Validate HTML fragment
   Use Doctype: (*) HTML 4.01 ( ) XHTML 1.0
   (*) List Messages Sequentially ( ) Group Error Messages by Type
   [ ] Show Source [ ] Clean up Markup with HTML-Tidy
   [ ] Show Outline [ ] Validate error pages [ ] Verbose Output

   Check

   This validator checks the [13]markup validity of Web documents in HTML, XHTML,
   SMIL, MathML, etc. If you wish to validate specific content such as [14]RSS/Atom
   feeds or [15]CSS stylesheets, [16]MobileOK content, or to [17]find broken links,
   there are [18]other validators and tools available. As an alternative you can
   also try our [19]non-DTD-based validator.

     * [20]Home |
     * [21]About... |
     * [22]News |
     * [23]Docs |
     * [24]Help & FAQ |
     * [25]Feedback |
     * [26]Contribute |

   [27]W3C Open-Source

   [28]I heart Validator logo

   Copyright © 2024 [29]World Wide Web Consortium. W3C^® [30]liability,
   [31]trademark and [32]permissive license rules apply.

References

   1. mailto:www-validator@w3.org
   2. https://validator.w3.org/./
   3. https://www.w3.org/QA/Tools/validator-whatsnew.atom
   4. https://www.w3.org/
   5. https://validator.w3.org/./
   6. https://validator.w3.org/#validate-by-uri
   7. https://validator.w3.org/#validate-by-upload
   8. https://validator.w3.org/#validate-by-input
   9. https://validator.w3.org/#validate_by_uri+with_options
  10. https://validator.w3.org/#validate_by_upload+with_options
  11. http://www.w3.org/QA/2005/01/Validator-IE_WinXP_SP2
  12. https://validator.w3.org/#validate_by_input+with_options
  13. https://validator.w3.org/docs/help.html#validation_basics
  14. https://validator.w3.org/feed/
  15. http://jigsaw.w3.org/css-validator/
  16. https://validator.w3.org/mobile/
  17. https://validator.w3.org/checklink
  18. http://www.w3.org/QA/Tools/
  19. https://validator.w3.org/nu
  20. https://validator.w3.org/
  21. https://validator.w3.org/about.html
  22. https://validator.w3.org/whatsnew.html
  23. https://validator.w3.org/docs/
  24. https://validator.w3.org/docs/help.html
  25. https://validator.w3.org/feedback.html
  26. https://validator.w3.org/contribute.html
  27. https://www.w3.org/Status
  28. https://www.w3.org/donate/
  29. https://www.w3.org/
  30. https://www.w3.org/policies/#disclaimers
  31. https://www.w3.org/policies/#trademarks
  32. https://www.w3.org/copyright/document-license/