Free online 3D file tools
Open, check and convert 3D files in your browser.
Fast utilities for common 3D model jobs: preview GLB, glTF, STL, OBJ, PLY, 3MF and FBX files, inspect model stats, or prepare a model for the web. No app install, no account, no required upload.
Popular tools
Start with the 3D file task you need.
3D Model Viewer
Preview GLB, glTF, STL, OBJ, PLY, 3MF and FBX files with scene controls and PNG export.
glTF Converter
Tell us which glTF conversion you need first: GLB, OBJ, FBX, STL or another format.
GLB Compressor
Reduce GLB file size for faster websites, AR previews and product pages.
Who it helps
Made for everyday 3D file problems.
- Makers checking STL files before a 3D print.
- Web teams checking GLB, glTF and FBX files for product pages.
- Students and hobbyists opening files without installing CAD software.
- Designers quickly checking model size, triangles and materials.
Privacy
Your files stay local.
The free tools are designed to run in your browser where possible. That means your model can be opened, inspected and downloaded without being uploaded to a server.
FAQ
Common questions
Can I use these 3D tools for free?
Yes. The browser-based tools are free and do not require an account.
Are my 3D files uploaded?
No upload is required for the current 3D model viewer. Files are processed locally in your browser.
Which file formats are planned?
The current viewer supports GLB, glTF, STL, OBJ, PLY, 3MF and FBX. Converter tools will be added separately.