Validators check the accuracy of Web documents in a variety of coding languages such as HTML, XHTML, SMIL, CSS, and can even be used to check broken links. Make sure your website consistently remains accessible and usable by using some of these tools on a regularly scheduled basis.
download Adobe Acrobat Reader.
Note: documents in Excel format (XLS) require Microsoft Viewer,
Note: documents in Word format (DOC) require Microsoft Viewer,
Note: documents in Powerpoint format (PPT) require Microsoft Viewer,
Note: documents in Quicktime Movie format [MOV] require Apple Quicktime,