Philtron is a filtering HTTP proxy, meaning it rewrites the HTML of the web pages that pass through it in order to remove dangerous or annoying javascript-s, popups and improve the anonymity of the user. It will be different from the existing filtering solutions (most famous example - Proxomitron, now discontinued) by avoiding hard-to-understand regular expressions as a way to filter HTML and will also be extremely user friendly - it is configured directly from the browser, on the fly as you browse. It is intended for the large audience, one wouldn't need programming background inorder to use the software.

Philtron is written in PHP, which means it's cross-platform and it's safe from buffer overflows and similar bugs, which can appear in low-level languages (c/c++). On the other hand the built-in regular expressions make implementing HTTP and parsing incoming and outgoing traffic very easy.

The proxy will fully implement HTTP/1.1 protocol, which means it can download web pages and their requisites (images, flash movies etc) fast and intelligent, even superior than some of the existing browsers (for example Internet Exlorer doesn't use pipelining - one of the advanced features of http/1.1 which greatly improves speed on image-heavy pages) and will help http/1.0 clients communicate faster with the http/1.1 servers (for example wget works faster through Philtron).

If you see the image on the left, your browser has already betrayed your IP, browser version, screen size and the page you came from! Drag Philtron's "Block images" bookmarklet over this page and click on the offensive image in the window that will pop up. Refresh the page - it's gone :)