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Validator... Much has been made about standards compliance in modern Web browsers. Less is made about the responsibity Web authors have to deliver correct mark-up to these programs. Some HTML authors champion one browser over another for its standards support when they themselves do little or nothing to assure their mark-up is correct. Unfortunately, most validation tools operate on one file at a time through a Web or editor interface. This makes checking large numbers of files in a production environment tedious and impractical. Validator easily checks one file or a thousand. It efficiently assures all your XML is ready for your

What's New

Version 1.4.1:
  • Resolved problem that prevented launching on some versions of Mac OS X.
  • Added XHTML Modularization 1.1, XHTML Basic 1.1, and XHTML+RDFa 1.0 FPIs.
  • Reports on checked files to assure a message appears for each run.
  • Continues processing when encountering a file or directory multiple times due to symbolic linking.
  • Packaged into an installer for


Mac OS X 10.4 or later

*Previously available here

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3.3 3


Current Version (1.x)


Downloads 4,277
Version Downloads 1,998
License Free
Date 20 Jan 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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