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G-code Viewer

View and analyze 3D printing G-code online for free — layer-by-layer toolpath preview, print time, filament usage and slicer stats. Files never leave your browser.

Drop a G-code file here, or

.gcode · .gco — Cura, PrusaSlicer, OrcaSlicer, Bambu Studio… · sample: 3DBenchy, CC0 (3dbenchy.com)

About G-code Viewer

Drop a .gcode file exported from Cura, PrusaSlicer, OrcaSlicer, Bambu Studio or any other slicer to see a layer-by-layer preview of every toolpath — extrusion and travel moves rendered right in the browser, with pan, zoom and a cumulative view. A pre-sliced 3DBenchy (public domain, 3dbenchy.com) is built in so you can try the viewer instantly.

The analyzer reports layer count and height, model dimensions, filament consumption in meters and grams, estimated print time, retraction count, travel distance and detected slicer settings. Everything is parsed locally — your G-code is never uploaded to a server.