TOOLS

3D File Tools

Free browser-based converters and viewers for the formats you actually use. No upload, no signup — your files stay on your machine. Each tool also explains what the format is, when to use it, and what gets lost in conversion.

Convert to STL

For 3D printing — slicer-native triangle mesh.

→
OBJ to STL
Wavefront OBJ → printable STL
→
GLB to STL
Binary glTF → printable STL
→
glTF to STL
GL Transmission Format → printable STL
→
FBX to STL
Filmbox → printable STL
→
3MF to STL
3D Manufacturing Format → printable STL
→
STEP to STL
Standard for the Exchange of Product model data → printable STL
→
PLY to STL
Polygon File Format / Stanford Triangle Format → printable STL

Convert from STL

Take a print-ready model into a digital pipeline.

→
STL to OBJ
STL → Wavefront OBJ
→
STL to GLB
STL → Binary glTF
→
STL to glTF
STL → GL Transmission Format
→
STL to FBX
STL → Filmbox
→
STL to 3MF
STL → 3D Manufacturing Format
→
STL to PLY
STL → Polygon File Format / Stanford Triangle Format

Cross-format converters

Common interchange between digital 3D pipelines.

→
OBJ to GLB
Wavefront OBJ → Binary glTF
→
GLB to OBJ
Binary glTF → Wavefront OBJ
→
OBJ to glTF
Wavefront OBJ → GL Transmission Format
→
glTF to OBJ
GL Transmission Format → Wavefront OBJ
→
OBJ to FBX
Wavefront OBJ → Filmbox
→
FBX to OBJ
Filmbox → Wavefront OBJ
→
GLB to glTF
Binary glTF → GL Transmission Format
→
glTF to GLB
GL Transmission Format → Binary glTF
→
GLB to FBX
Binary glTF → Filmbox
→
FBX to GLB
Filmbox → Binary glTF

Online viewers

Open files in your browser without downloading software.

→
STL viewer
Preview Stereolithography files
→
OBJ viewer
Preview Wavefront OBJ files
→
GLB viewer
Preview Binary glTF files
→
glTF viewer
Preview GL Transmission Format files
→
FBX viewer
Preview Filmbox files
→
3MF viewer
Preview 3D Manufacturing Format files
→
STEP viewer
Preview Standard for the Exchange of Product model data files
→
PLY viewer
Preview Polygon File Format / Stanford Triangle Format files