special offer Version 17 contains major new improvements:

  • Improved and updated support for HTML5
  • Improved and updated support for CSS3
  • New support for AMP HTML documents
  • Easy validation of the DOM using Firefox and the Easy Copy Add-on and the new cseclip tag
  • Miscellaneous bug fixes
  • Many other improvements, updates, and refinements
  • Upgrade to v17 and get all future v17 updates for free

special offer Tip: To update, use the Help->Check for Updates option in the editor.

Buy New Buy Upgrade

What's New in CSE HTML Validator

Version 17.00 Version 17.00 is now available.

CSE HTML Validator Box

Version 17.00 (17.0000) - MAJOR NEW RELEASE - (released 2016-11-16)

Version 16.05 (16.0500) - MINOR UPDATE - (released 2016-09-06)

Version 16.04 (16.0403) - MINOR UPDATE - (released 2016-06-06)

Version 16.03 (16.0300) - MINOR UPDATE - (released 2016-03-28)

Version 16.02 (16.0200) - MINOR UPDATE - (released 2016-02-08)

Version 16.01 (16.0100) - MINOR UPDATE - (released 2015-11-23)

Version 16.00 (16.0000) - MAJOR NEW RELEASE - (released 2015-10-21)

Version 15.0600 - MINOR UPDATE FOR v15 - (released 2015-12-31)

Version 15.0500 - MINOR UPDATE FOR v15 - (released 2015-10-05)

Version 15.0400 - MINOR UPDATE FOR v15 - (released 2015-07-30)

Version 15.0300 - MINOR UPDATE FOR v15 - (released 2015-05-19)

Version 15.0200 - MINOR UPDATE FOR v15 - (released 2015-02-19)

Version 15.0100 - MINOR UPDATE FOR v15 - (released 2015-01-07)

Version 15.0003 - MINOR UPDATE FOR v15 - (released 2014-11-14)

Version 15.00 (15.0000) - MAJOR NEW RELEASE - (released 2014-11-11)

Version 14.0500 - MINOR v14 UPDATE - (released 2014-08-25)

Version 14.0400 - MINOR v14 UPDATE - (released 2014-06-02)

Version 14.0300 - MINOR v14 UPDATE - (released 2014-04-18)

Version 14.0204 - MINOR v14 UPDATE - (released 2014-03-24)

Version 14.0100 - MINOR v14 UPDATE - (released 2014-01-17)

Version 14.0020 - MINOR v14 UPDATE - (released 2013-11-27)

Version 14.00 - MAJOR NEW RELEASE - (expected early November 2013)