Black FridayBrickalike Pro €11.99 €59.99 · one payment, no subscription · ends 14 NovemberGet Pro
BrickalikePRO

Free 3D file converter

Turn an STL, OBJ, 3MF, GLB or PLY into any of the others, at the same size.

FreeIt all happens in your browser: your file is never uploaded.

Your file is opened in this tab only. It is never uploaded, and you do not need an account.

The 3D file converter with an antique camera loaded and the five save buttons: STL, OBJ, 3MF, GLB and PLY
ExampleAn antique camera opened from a GLB file, ready to save as STL, OBJ, 3MF, GLB or PLY at the same size.

How it works

  1. Choose the file: STL, OBJ, 3MF, GLB, glTF or PLY. Your browser reads it on your own device.
  2. Check the size: the size in mm is shown before you save. If the file was made in inches or centimetres, say so under “The file is in”.
  3. Pick the new type: STL, OBJ, 3MF, GLB or PLY. The new file is opened again here and checked for the same triangles and the same size before it is saved.

Questions

Is my file uploaded?

No. The file is read and converted by your browser on your own device, and never leaves it. There is no account and nothing to install.

Does it keep the right size?

Yes. Every type is saved at the same real size: millimetres in STL, OBJ, PLY and 3MF, metres in a GLB (the glTF rule). Each new file is opened again here and checked before it is saved.

Are colours and textures kept?

No. The new file holds the shape only, which is all a slicer needs. To see a model with its own colours, open it in the free 3D model viewer.