View STL online with Next3D before slicing, repairing, or converting a 3D printing mesh. Upload an STL file to inspect visible geometry, orientation, scale, and surface shape directly in the browser.
Drag and drop your .stl file or click to browse
STL files are common in 3D printing, scan cleanup, CAD export, and mesh exchange workflows. Use this viewer to check whether the model shape, orientation, and apparent scale look correct before opening a slicer, repairing the mesh, or converting STL to OBJ, FBX, GLB, or another target format.
Yes. Upload an STL file to inspect the mesh in a browser-based 3D viewer before slicing, repair, or conversion.
STL is most common for 3D printing, but it also appears in CAD export, scan cleanup, mesh exchange, and prototyping workflows.
Yes. Common next steps include STL to OBJ for modeling workflows, STL to FBX for asset exchange, or STL to GLB for web preview.
GLB and GLTF offer the best web performance with optimized loading and rendering.
OBJ provides universal compatibility across all 3D software and platforms.
FBX supports the most advanced features for professional animation workflows.
| Format | File Size | Features | Best For |
|---|---|---|---|
STLCurrent | Small | 3d-printing, mesh-only | 3d printing |
GLB | Small | binary, embedded-textures | Web |
GLTF | Medium | json, external-resources | Web |
Blend | Medium | Full Scene, Nodes | Blender Workflow |
Try uploading your .stl file to our viewer above, or check out the complete STL format guide for more detailed information.