koppenwallner.net works fine with the following browsers:
| Browser | Operating System | Download |
| Opera | Windows, Linux | http://www.opera.com/ |
| Mozilla Firefox | Windows, Linux | http://www.mozilla.com/ |
| Internet Explorer | Windows | http://www.microsoft.com/downloads/ |
| Safari | Apple OS X | http://www.apple.com/software/ |
| Camino | Apple OS X | http://www.caminobrowser.org/ |