GLB to OBJ Converter
Convert your GLB 3D models to OBJ format using our free online tool. Transform glTF Binary (GLB) files into OBJ format while maintaining geometry and basic materials. No Signup Required.
Convert GLB to OBJ
Related Tools
About GLB to OBJ Conversion
Did You Know?
- •GLB format was developed by the Khronos Group in 2015 as a binary container for glTF
- •GLB efficiently packages all assets (models, textures, animations) into a single binary file
- •OBJ format dates back to the 1980s from Wavefront Technologies
- •Converting to OBJ enables compatibility with older software that doesn't support GLB
Technical Insight
Converting GLB to OBJ involves extracting 3D geometry and material information from the binary container and transforming it into text-based format.
The process requires parsing binary structures to access JSON metadata and buffers containing vertex data, normals, UVs, and other attributes.
While geometry is preserved, OBJ doesn't support skeletal animations or morph targets, and PBR materials must be approximated using simpler definitions.
GLB vs OBJ Comparison
GLB Format
- Binary format (smaller file size)
- Supports PBR materials
- Includes animations & morph targets
- Efficient for web applications
- Newer format (2015)
OBJ Format
- Text-based format (larger file size)
- Simple material definitions
- No animation support
- Widely compatible with 3D software
- Classic format (1980s)
Best GLB to OBJ Conversion Tools in 2025
ImageToStl
Fast and accurate converter that repairs geometry, maintains texture fidelity, and automatically fixes common mesh issues. Files are processed securely and deleted after 20 minutes.
Dorchester 3D
Focuses on maintaining structural accuracy of the original GLB model, including vertices, surfaces, normals, and texture coordinates. Particularly good for maintaining complex geometry.
Convert3D.org
Processes files locally on your computer without uploading to external servers, making it ideal for sensitive or proprietary 3D models. Offers complete privacy and security.
3DPEA
Free converter with a simple, user-friendly interface. Supports many formats and preserves textures and materials. Ideal for beginners and those who need quick, straightforward conversions.
How to Convert GLB to OBJ
- 1Upload your GLB file(s) to your chosen converter
- 2Wait for the conversion process to complete (typically a few seconds for most files)
- 3Download the resulting OBJ file (and associated MTL/textures if applicable)
- 4Import the OBJ into your preferred 3D software for further editing or use