Help center

GCode Viewer FAQ

Guides for Thingraph GCode Viewer — a free browser app to preview slicer toolpaths (gcode, gco, nc). Parsing and rendering run locally with WebGL; nothing is uploaded to our servers for viewing.

Articles

• How to preview GCode in the browser Supported formats, local upload, examples, and how to use layers, legend, and step playback.
• Is GCode Viewer safe? Are files uploaded to servers? Client-side parsing and rendering — what stays in your browser and what we do not collect.