Updated June 2026 · runs 100% in your browser
GLB to glTF
Convert GLB to glTF (JSON) on your device. No upload, no sign-up, no limits.
Drop GLB files here
or click to choose
🔒 Processed on your device · 0 bytes uploaded
Loads the 3D engine (~1 MB) on first use — cached after that.
How it works
Drop GLB files and download glTF models.
It all runs in your browser with a local copy of three.js — your model never leaves your device, and it stays free, unlimited and private.
About GLB to glTF
GLB is the binary container; glTF is the readable JSON form. This re-exports the model as a self-contained .gltf.
Frequently asked questions
How do I use GLB to glTF?
Drop GLB files and download glTF models.
Is my file uploaded?
No. It is converted on your device with a local copy of three.js; nothing is uploaded.
What is a GLB file?
GLB is the binary form of glTF — a single self-contained file holding 3D geometry, materials, and textures. It's the modern standard for sharing 3D models on the web and in AR.
What is a glTF file?
glTF (GL Transmission Format) is an efficient modern 3D format often called 'the JPEG of 3D.' It bundles geometry, materials, and animation for fast loading in browsers and engines.