Compress STL
Reduce STL file size.
Shrink a heavy STL for the web, email, AR or faster slicing. Choose how much detail to keep and see the result first.
- Keeps the overall shape
- Saves as STL or another format
- Files stay on your computer
No file yet
Drop an STL file or
of the triangles
Files stay on your computer.
Done
Questions
Why is my STL file so big?
Usually because it has far more triangles than it needs, often from a scan or a high-resolution export.
Will it change the shape?
Only slightly; we show the largest change after compressing.
Are my files uploaded?
No. Everything runs in your browser.