.CHA File Extension

A CHA file is a settings file used by IRC clients such as mIRC. It contains the required information for opening an IRC channel, including the server, port, channel name, and potentially a password. When you double-click a CHA file, your IRC client will automatically open the associated channel.

Custom color channel mixture that can be applied to a Photoshop image file; modifies the intensity of the source channels, such as red, green, and blue, and applies them to an output channel.

Channel mixture presets can be loaded and saved by selecting "Image→Adjustments→Channel Mixer" from the Photoshop menu bar.

Contains character layout information for a certain font; describes how the characters are positioned and defines the kerning between each character.

CHA files can be opened and edited with DTL (Dutch Type Library) FontMaster software.