W3C – Markup Validator

w3c

The W3C – Markup Validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

W3C – Markup Validator – screenshot

Start W3C – Markup Validator here


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    HandyWebApps.com is a collecion of good webapps with useful functions that can be run directly from your browser.

    Please notice "MY PAGE". You can add your favourites there by clicking on "Ad to My Page" on every App´s subpage. Good next time you need ´em.