Picblock detects pornographic content and blocks it before it can be displayed on your browser. The program analyzes the words related to sexually explicit content as well as images and videos and you can choose how strict you want the filter to be. You can also create a list of the websites you want to block access to. A great feature of this application is that you can execute it in stealth mode so that the computer users will not notice that there are restrictions on navigation. In conclusion this is a great tool that will allow you to keep your children away from internet pornography.