Convert GLB to glTF
Convert GLB to glTF in your browser. The conversion runs on this page and the file never leaves your computer.
Result
Before you convert: what this keeps and what it destroys
Preserved
- The geometry, triangle for triangle
- Overall dimensions and proportions
- Watertightness, where the input is watertight
- Colour
- Separate parts and their positions
Destroyed
- A recorded unit: glTF stores none
↺ the reverse: glTF → GLB · about .glb · about .gltf · just view it instead
Why people convert GLB to glTF
Unpacking a binary file into one you can read. The geometry does not change at all; this is the same specification in a different container.
Do it when you need to see inside. The JSON exposes the node tree, the mesh and material names and the accessor layout, which is what you want in front of you when a model renders wrong or a validator is complaining.
The glTF written here keeps its buffer embedded as a base64 data URI rather than splitting out a .bin, so you still have a single file to move around. That costs roughly a third in size, which is the price of base64 and the reason GLB exists in the first place.
What you get
You get a plain-text glTF file you can open in an editor containing the same triangles the GLB file described. No geometry is added, removed or approximated: mesh-to-mesh conversion is a change of container, and this site's tests check that the triangle count comes out identical.
The output uses metres, as required by the glTF specification.
Carried across: supported base or vertex colour, the supported part structure.
The conversion runs in your browser. Your file stays on your computer and is not uploaded.
What to check afterwards
- glTF and GLB use metres by specification. This converter interprets the source coordinates that way. If the model was authored at a different scale, confirm a known dimension before using the output.
If you need something this conversion cannot give you
This pair loses very little. glTF carries what GLB carries, so the main reason to choose a different target is what the receiving software accepts.
Going the other way
Convert glTF back to GLB. The reverse conversion also works with mesh geometry. It does not reconstruct exact CAD surfaces. Material data and part structure lost in either direction cannot be restored by converting back. Keep the original file for later edits.
How we know this conversion works
This pair was checked against 7 files from the test corpus on 2026-09-04. Each run parses its own output back in and compares the bounding box, the triangle count and, for closed solids, the volume against the input.
A pair that fails those checks doesn't get a page. That's why this site lists 120 conversions and not the several hundred a format-times-format grid would suggest.