HTML Purifier is a standards-compliant HTML filter library written in PHP. $5/month
We offer the best feature on the market
HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant, something only achievable with a comprehensive knowledge of W3C's specifications.
HTML Purifier is a filter library for HTML. This means that it can go through and remove malicious code from a variety of sources. It can also be used to check your own HTML coding on a variety of projects to ensure that all the code is compliant with the latest standards set by W3C. Keeping up with the latest standards is very important, especially for commercial projects that are going to be used by a wide range of different people.
The platform is coded in PHP and has been around for quite a long time. The developers of this system have done an exceptional job making sure that it is always updated to ensure the best results. Since the HTML filtering option relies on a whitelist, frequent updates are essential for avoiding false positives and other similar issues. Of course the W3C standards are updated on a regular basis to keep up with the latest technologies too.