3D Quality Tools

3D Print Cost Calculator

STL Quality Checker

STL Repair Tool

STL Watertight Checker

STL Manifold Checker

STL Dimensions Checker

STL Volume Calculator

STL Triangle Counter

STL File Size Reducer

STL to 3MF Converter

3MF Quality Checker

3MF Repair Tool

3MF Watertight Checker

3MF Manifold Checker

3MF Dimensions Checker

3MF Volume Calculator

3MF Triangle Counter

3MF to STL Converter

All 3D tools›STL tools›STL Scale Tool

STL size adjustment

STL Scale Tool

Resize an STL proportionally by percentage, target dimension, or an assumed unit conversion before 3D printing.

Choose an STL file

Choose an STL file to resize locally.

ASCII and binary STL files up to 25 MiB are supported. Your STL stays in your browser.

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

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