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HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will remove all malicious code (efficient filtering of XSS scripts) with a thoroughly audited, secure yet permissive whitelist.

HTML Comparison Chart

Quick Install

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<?php
    require_once '/path/to/htmlpurifier/library/HTMLPurifier.auto.php';
 
    $purifier = new HTMLPurifier();
    $clean_html = $purifier->purify($dirty_html);
?>

View Before-After XSS Filtering

View Demo: HTML Purifier

Download HTML Purfier : (More Info at: http://htmlpurifier.org/)