Is it free to convert between GLTF and FBX?

Yes, Convert999 is 100% free. All conversions happen locally in your browser with no file size limits, no registration, and no watermarks.

.gltf

.fbx

GLTF vs FBX

Compare GL Transmission Format and Autodesk FBX formats — understand the key differences and when to use each

Format Overview

GLTF

GL Transmission Format

GL Transmission Format (.gltf) is a 3d file format.

.gltf3d

FBX

Autodesk FBX

Autodesk FBX (.fbx) is a 3d file format.

.fbx3d

GLTF vs FBX: Feature Comparison

Feature	GLTF	FBX
Full Name	GL Transmission Format	Autodesk FBX
File Extension	.gltf	.fbx
Category	3d	3d
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use GLTF vs FBX

Use GLTF when you need:

•Files in GL Transmission Format format for maximum compatibility
•Industry-standard 3d format support
•Wide software and platform compatibility

Use FBX when you need:

•Files in Autodesk FBX format for specific workflows
•Optimized 3d format features
•Modern format advantages and smaller file sizes

Convert Between Them

GLTF FBX FBX GLTF

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Learn More About These Formats

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Frequently Asked Questions

What is the difference between GLTF and FBX?

GLTF (GL Transmission Format) and FBX (Autodesk FBX) are both 3d file formats. GLTF files use the .gltf extension while FBX uses .fbx. They differ in compression, quality, compatibility, and intended use cases.

Can I convert GLTF to FBX for free?

Yes! Convert999 lets you convert GLTF to FBX completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.

Which is better, GLTF or FBX?

It depends on your use case. GLTF (GL Transmission Format) may be better for certain workflows, while FBX (Autodesk FBX) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.

Is it safe to convert files on Convert999?

Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

GLTF Converter

Convert from GLTF

FBX Converter

Convert from FBX

File Tools

Compress, resize, merge

Convert to GLTF

All sources → GLTF

Convert to FBX

All sources → FBX

Format Statistics

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Feature