Updated June 2026 · runs 100% in your browser
OBJ to glTF
Convert OBJ models to glTF on your device. No upload, no sign-up, no limits.
Drop OBJ 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 OBJ 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 OBJ to glTF
glTF is the JSON-based “JPEG of 3D”. This converts your OBJ into a self-contained .gltf with embedded data.
Frequently asked questions
How do I use OBJ to glTF?
Drop OBJ files and download glTF models.
glTF or GLB?
glTF is human-readable JSON; GLB is the single-file binary version. Pick glTF if you need to inspect or edit it.
Is my file uploaded?
No. It is converted on your device with a local copy of three.js; nothing is uploaded.
What is an OBJ file?
OBJ is a widely supported 3D model format that stores geometry and, via a companion .mtl file, material and texture references. It's a common interchange format between 3D applications.
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.