STL Viewer – STL-Dateien online anzeigen

View and inspect STL files directly in your browser. This free online STL viewer lets you open, rotate, zoom and analyze 3D models without installing any software. All processing happens locally on your device – your files are never uploaded.

About the STL Format

Stereolithography – STL ist das Standardformat fuer 3D-Druck. Es beschreibt die Oberflaeche eines Modells als Dreiecksnetz ohne Farb- oder Materialinformationen. Jeder 3D-Drucker und Slicer unterstuetzt STL.

Common use cases: 3D-Druck (FDM, SLA, SLS), Rapid Prototyping, CNC.

Features

• Drag-and-drop file loading
• Interactive 3D view with orbit, zoom and pan
• Mesh statistics: vertex count, triangle count, bounding box
• No installation, no registration, no upload
• Works on desktop and mobile browsers

How to Use

1. Drag your STL file onto the viewer area or click Browse.
2. The model loads and renders in 3D instantly.
3. Use your mouse or touch to rotate, zoom and inspect the model.

Need to convert your STL file? Use our 3D File Converter to change formats.