How can I convert my GLTF file to OFF?

Click the upload area and select your GLTF file. It opens and converts in your browser, so the file is not uploaded. When the GLTF to OFF conversion has finished, download your OFF file right away.

How long does it take to convert my GLTF to OFF?

Most GLTF to OFF conversions complete in a few seconds for typical furniture-model files (a few MB; uploads up to 50 MB). The pipeline runs in your browser for most format pairs — no upload to a server, no roundtrip latency. For SKP, BLEND and FBX outputs the conversion runs server-side via the native Blender or SketchUp engine, with a hard 5-minute timeout per conversion; most server-side conversions finish in well under a minute.

What does the GLTF to OFF conversion preserve?

Materials, UV maps, vertex normals, and scene hierarchy are preserved wherever the OFF format supports them. STL is the exception — it is a geometry-only format by design and discards materials and UVs. GLB and GLTF preserve embedded textures inside the file; OBJ produces an accompanying MTL material descriptor; SKP groups components logically with materials applied; BLEND preserves the full Blender scene graph with modifiers.

How does converting GLTF to OFF work?

In order to successfully convert a GLTF formatted file to the OFF format, our converter tools will perform several initial checks to ensure the file provided is indeed a GLTF file. There are many files out there where the file type extension does not match the data contained within the file. Along with these file type checks, our tools will do additional checks to ensure the file is correctly formatted to match the provided file type.

What if I don't have a GLTF file to convert yet?

Browse the FurniMesh 3D furniture library at https://furnimesh.com/library/ — every model exports as GLB, OBJ, SKP, or BLEND, and this converter can transform any of those to OFF. Or generate a custom 3D model from any furniture photo with the Image to 3D AI generator at https://furnimesh.com/image-to-3d/.

Home›Convert 3D Models›GLTF to OFF Converter

GLTF to OFF Converter

Convert your GLTF files to OFF format for free. No sign up or credit card required.

Quick answer: To convert GLTF to OFF, upload your GLTF file and download the OFF in seconds — free, in your browser, with no sign-up or watermark. Because OFF stores geometry, materials and textures but not animation, textures and materials, animation and rigging are dropped.

Convert GLTF files to OFF format quickly and securely in your browser. Or skip the conversion entirely — browse the free 3D furniture library.

Or take a shortcut

No file to convert yet? A few faster paths:

Browse 3D models

Free furniture 3D models — every model exports to GLB, OBJ, SKP, BLEND. Convert from there.

Open library

Image to 3D AI

Generate a textured 3D model from any furniture photo in a few minutes. Preview free; downloading your models needs a plan.

Try image to 3D

Photorealistic render from a screenshot

Already have a 3D model? Screenshot the viewport and get a photorealistic render in about 30 seconds.

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Drag and drop files

or click to convert

How to convert GLTF to OFF

Upload your GLTF file — drag and drop it above, or click to browse. Files load instantly in your browser.
Confirm OFF as the output format and start the conversion. It runs in seconds; no account or payment is required.
Download your OFF file, ready to use in MeshLab.

What is kept and what is lost converting GLTF to OFF?

Property	In GLTF	In OFF
Mesh geometry	Yes	Kept
UV coordinates	Yes	Dropped
Materials & textures	Yes	Dropped
Vertex colors	Yes	Kept
Animation	Yes	Dropped
Rigging / skinning	Yes	Dropped
Scene hierarchy	Yes	Dropped
Real-world units	Yes	Dropped

OFF (Object File Format) is a minimal format that stores mesh geometry and optional per-vertex color, used mainly in geometry processing and research.

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FAQ

GLTF to OFF Conversion FAQ

Get answers to common questions about converting GLTF files to OFF format. Learn about the conversion process, file compatibility, and best practices.

File Formats

File format information for GLTF and OFF

Detailed information about the source and target file formats, including their capabilities and specifications.

GLTF Format

Extension:GLTF

Full Name:GL Transmission Format

Type:3D Model

Mime Type:model/gltf+json

Format:Binary

Opens With:Blender, MeshLab

glTF (GL Transmission Format): An open, JSON-based file format (.gltf) for efficient 3D model delivery. It supports geometry, materials, and animations, designed for web and cross-platform compatibility.

GLTF Converter Capabilities

When converting 3D model or mesh files using our GLTF converter, we will attempt to convert color materials into a suitable format for use in the converted file.

OFF Format

Extension:OFF

Full Name:Object File Format

Type:3D Model

Mime Type:application/octet-stream

Format:Binary

Opens With:MeshLab, Research Tools

OFF (Object File Format): A simple, open file format (.off) for 3D geometry, storing polygonal meshes with vertices and faces. It’s lightweight, mainly used in research and academic applications.

OFF Converter Capabilities

When converting 3D model or mesh files using our OFF converter, we will attempt to convert color materials into a suitable format for use in the converted file.

Information for converting from GLTF to OFF

About the GLTF to OFF converter

FurniMesh's GLTF to OFF converter runs entirely in your browser using a WebAssembly glTF/3D-mesh pipeline — your file never leaves your tab, and the conversion completes in seconds for typical furniture-model files. Materials, UV maps, and scene hierarchy are preserved wherever the OFF format supports them. There's no sign-up (up to 20 conversions a day) and no watermark; files up to 50 MB — practical limits depend on your browser's available memory.

FurniMesh natively outputs four formats — GLB, OBJ, SKP (SketchUp 2017+), and BLEND (Blender 3.0+). Bridge conversion via this converter additionally produces FBX, STL, GLTF, 3DM (Rhino), PLY and OFF, and reads IFC, DAE, 3DS and 3MF files. Use the converter to bridge between supported formats — or skip the conversion step entirely if you don't have a source file yet (the FurniMesh library ships every model in all four native formats pre-rendered).