Fritzing is the for .fz files. It works as both a viewer and a full-fledged editor.
Boardviewer | Program for viewing all types of Boardview files fz file viewer
Some complex PCB layers in FZ files can occasionally render a bit "funky" compared to the native Fritzing app The Verdict: Fritzing is the for
An FZ File Viewer enables access to the contents and metadata of .fz files when the original application isn’t available, offering preview, extraction, and conversion capabilities. Choose a viewer with appropriate safety, format support, and export features based on whether the .fz file is an archive, proprietary project, data export, or binary image. or binary image.
