Twitter Blocker is the free tool to quickly Block or Unblock Twitter on your Windows system.This tool will come very handy for such parents who can block their childrens from Twitter, especially during exam times. In universities or colleges, administrator can block students from accessing Twitter from their lab systems.Also small offices can use this tool to easily block access to Twitter during working hours without investing in costly solutions.It does not require any firewall or proxy server setup. All it takes you to just one click to block or unblock Twitter instantly.It has cool GUI interface and very simple to use for everyone. It is fully portable tool and includes Installer for those who wants to install it locally.