Flush DNS & close sockets is a free Chrome add-on developed by Tonda Crha. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory.

This program allows users to quickly flush the Chrome DNS resolver cache and close all opened sockets. This can be done by simply clicking on the extension icon or by using the shortcut "Ctrl+Shift+F".

It's worth noting that in order to use this program, Chrome needs to be started with the "--enable-net-benchmarking" flag.

With Flush DNS & close sockets, users can easily clear their DNS cache and close any open sockets with just a few clicks, enhancing their browsing experience and ensuring optimal performance.