Chatty is a chat software specifically made for Twitch, in the spirit of a classic IRC Client. It runs on Windows and any other OS that supports Java 8 or later.

This guide will help you with installing Chatty and getting familiar with some of it's features.

Chatty Beta versions represent the cutting edge of development and allow you to use new features much earlier than waiting for a regular release, with the following caveats:

Dec 19, 2025 · Chatty now supports the Twitch reply feature, both marking replies with an icon (showing more information on hover) and sending a reply by writing a message beginning with an @-mention.

Chatty can help you with creating Highlights of your stream by recording the stream time (how long the stream has been online) using a command or hotkey. When you add a Stream Highlight in Chatty, it …

This list of commands is built into Chatty and can't be changed. You can however create your own Custom Commands & Customized Context Menus.

By default Chatty requests exclusive access while writing to the file, so that no other program can interfere. This can however cause issues if you try to open the log while in the channel, for example if …

The Standalone contains the Chatty.exe which executes the Chatty.jar in the app directory using the bundled JRE in the runtime directory, which removes the need for Java to be installed and ensures …

The Chatty.exe and the bundled Java in the runtime directory may not be compatible or they weren't installed correctly. Manually delete the Chatty.exe and the runtime directory and re-install the …

You need to install it on you own, it does not come bundled with Chatty. If you are sure it is installed (and you maybe can run it from the commandline just fine), you may have to tell Chatty the full path …