Also known as: .glb

Commonly opened with
  • Any modern web browser (via WebGL)
  • Blender
  • Unity
Supported platforms
  • Windows
  • macOS
  • Linux
  • Web / Cross-platform
Editable?
Yes, with common software
Viewable without special tools?
Usually, yes
Commonly converted to
  • .fbx
  • .stl
Inherent format risk
Generally low risk
Safety guidance (not a guarantee)

Plain documents are generally low-risk to view. If the format supports macros or embedded scripts, keep them disabled unless you specifically expect and trust them.

Check another filename

File extension lookup

No upload, no sign-up — everything is analyzed locally in your browser.

Frequently asked questions

What is a .gltf file?

A modern, efficient 3D model format designed for fast loading and transmission, widely used on the web and in real-time apps.

Can I edit a .gltf file?

Yes — .gltf files are commonly editable with software such as Any modern web browser (via WebGL).

Does having a .gltf extension mean the file is safe?

No single extension can guarantee that. Plain documents are generally low-risk to view. If the format supports macros or embedded scripts, keep them disabled unless you specifically expect and trust them. Always consider where the file came from, not just its name.

Privacy: The lookup above runs entirely in your browser. Nothing you type is uploaded, logged, or sent anywhere.

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