.QTZ File Extension
File TypeQuartz Composer File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
Animation created with Quartz Composer, a development tool created by Apple for processing and rendering graphical data; may include 2D images, 3D objects, textures, audio, MIDI data, and 2D and 3D effects.
QTZ files are used for certain Mac OS X screen savers, such as RSS Visualizer.qtz and Spectrum.qtz. These screen savers are saved in the /System/Library/Screen Savers/ directory.
Quartz Composer is installed with Apple's Developer Tools and is saved in the /Developer/Applications/ directory.