3D Quality Tools

3D tools - Featured tools

3D Print Cost CalculatorTolerance & Clearance

Tools by file format

STL toolsSTL ViewerSTL Quality CheckerSTL Print Preflight CheckerSTL Repair ToolSTL Watertight CheckerSTL Manifold CheckerSTL Dimensions CheckerSTL Scale ToolSTL Wall Thickness CheckerSTL SplitterSTL Volume CalculatorSTL Triangle CounterSTL File Size ReducerSTL to 3MF Converter
3MF tools3MF Viewer3MF Quality Checker3MF Print Preflight Checker3MF Repair Tool3MF Watertight Checker3MF Manifold Checker3MF Dimensions Checker3MF Wall Thickness Checker3MF Volume Calculator3MF Triangle Counter3MF to STL Converter

After slicing

G-code Preflight Checker
View all 3D tools
GuidesContact

G-code final review

G-code Preflight Checker

Inspect a sliced FDM/FFF G-code file locally before sending it to your printer. This checker only reads the file; it never runs, sends or changes G-code.

Inspect G-code locally

Choose a .gcode, .gco or .gc file.

Read-only browser inspection — your file is not uploaded.

Simple, browser-friendly tools for better 3D prints.

PrivacyCookiesContact