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21/03/2015 Categories: XML. No Comments on Checking Validness of an XML Document based on DTD Online

In this article we will learn checking validness of an XML document based on DTD online. Validness refers to high-level syntax rules.


  1. Open a browser and visit


  1. Select DTD option and select the XML file using the Browse button and click on Check button as shown below:




  1. If the XML document is valid according to the DTD, it will show the success message, Validation Successful! as shown below:



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