WebFaz 3D

STL to GLB

PT

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STL to GLB: see and use 3D printing models on the web

Open the STL and download a GLB, a format that web 3D viewers and many programs open. STL has only the shape, so the GLB comes out without color or texture. The conversion happens in the browser, without sending the file.

Demo model
Convert to GLBA single file, with textures — the best for the web

How to do it, step by step

  1. Open or drag the .stl file.
  2. Check the model in the scene.
  3. Click Convert and download.

See where to click, with an image of the tool →

When this is useful

Show a part on a website

Web 3D viewers use GLB.

Send the model in a fuller format

GLB can carry textures, unlike STL.

Tips for a good result

  • The app opens the STL with a neutral material, just so you can see the shape.

What this tool does not do

  • STL carries no color or texture, so the GLB comes out with only the shape.
  • Files of up to 400 MB. Everything is done in the browser, without sending the model.
  • The app converts and shows the model: it does not edit the mesh or the textures.

Frequently asked questions

Does the mesh change?
No. The triangle count was the same in the tests.

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Text written by Marcelo Amantino · updated October 18, 2026 · who we are