The Complete COLLADA to USDZ Conversion Guide
General Information
This guide is part of the RapidPipeline 3D Formats Knowledge Database.It shows how to convert COLLADA to USDZ, if you'd like to know more about the formats, please check out the following links:
Converting and Optimizing COLLADA Files to USDZ
There are various ways to convert between COLLADA and USDZ. With RapidPipeline, you can easily convert and and optimize COLLADA files, at scale. It supports USDZ, as well as many other file formats (examples: PLY, OBJ, VRM, FBX, glTF, STL, USD), at high quality.
Below you can find a video explaining how to convert your files:
What are COLLADA and USDZ files commonly used for?
The COLLADA file is a format mostly used for 3D asset exchange for digital content creation.
The USDZ file is a format mostly used for interactive 3D, on the Web and elsewhere (e.g., in XR).
Create 3D digital twins for CGI & XR, faster than ever.
Turn your raw 3D or CAD into realistic digital twins.
Comparison of Features Supported by COLLADA and USDZ
| Feature | Supported by COLLADA | Supported by USDZ |
|---|---|---|
| PBR Materials | Partial0 | Yes |
| Transparent Materials | Yes | Yes |
| Vertex Colors | Yes | Yes |
| Materials | Yes | Yes |
| Embedded Textures | No | No |
| Normal Mapping | Yes | Yes |
| Procedural Textures | Partial1 | Yes |
| Texture Compression | Partial2 | No |
| Texture Transforms | Yes | Yes |
| Multiple UV Channels | Yes | Yes3 |
| Texturing | Yes | Yes |
| Hierarchical Scene Graph | Yes | Yes |
| Scene Composition | Yes | Yes |
| Scene Nodes | Yes | Yes |
| Quad Meshes | Yes | Yes |
| Free-Form Surfaces | Partial4 | Yes |
| Geometry Compression | No | No |
| Basic 3D Geometry | Yes | Yes |
| Standardized Format | Yes | Yes |
| Morph Targets | Yes | Yes |
| Skinned Animations | Yes | Yes |
| Rigid Animations | Yes | Yes |
| Animations | Yes | Yes |
Create 3D digital twins for CGI & XR, faster than ever.
Turn your raw 3D or CAD into realistic digital twins.
Limitations of COLLADA Files to USDZ Conversion Workflow
The following limitations should be taken into account when converting COLLADA files to USDZ format:
| COLLADA Feature (not supported by USDZ) | Limitation Details |
|---|---|
| Texture Compression | Texture Compression Support: COLLADA: Partial support | USDZ: No support   COLLADA Notes: COLLADA references textures via URI to external files and imposes no image format constraint. Compressed formats like JPEG and PNG are commonly used. No GPU-level texture compression (e.g. BCn/DXT) is defined by the spec. Impact: Texture compression refers to a process of compressing 2D texture images for memory-efficient rendering (and sometimes for efficient transmission). The decompression of compressed texture data is therefore performed on-the-fly during rendering, so that it never has to be stored in unpacked form, but can be kept as-is in GPU memory. Formats supporting texture compression methods, such as the ones offered by glTF through KTX2 containers, therefore allow 3D models to use a smaller memory footprint on the client device during rendering. This can speed up rendering time, and also make it possible to store and use larger amounts of texture data than it would otherwise be possible. |
What's the best way to get COLLADA files into my 3D applications, and are there alternatives to using USDZ?
Doing 3D conversion right, especially at scale, can be tricky, as 3D data is in general a rather complex (yet very powerful!) medium. This also applies to COLLADA and USDZ files - the conversion guide above provides a rough first idea about that. Once you know what you would like to do, tools like RapidPipeline can help you perform the necessary steps, and to even automate the process for thousands or even millions of files.
Especially when introducing pipelines and workflows at scale in an enterprise context, it is usually good to rely on dedicated tools and expertise, making sure you do not introduce any steps into your 3D workflow that are detrimental to the final output's quality, or that take your team too much time (and money).
If you're interested to hire dedicated expertise from the best in the field to help your company reach your goals fast and reliably, please do not hestitate to contact DGG. Being the creators of RapidPipeline, and ambassadors for open 3D standards for more than a decade, we have been building some of the world's most advanced 3D pipelines, having processed many millions of 3D assets.
Therefore, our expertise will help you to reach your goals faster, at scale, and with the least possible friction, since we are focused on maximum interoperability.
To get started with 3D data conversion and optimization today, sign up for a free account!
If you have any questions, feel free to chat with our human team.
Create 3D digital twins for CGI & XR, faster than ever.
Turn your raw 3D or CAD into realistic digital twins.
Meet the Author
3D Knowledge Team
3D Technical Artists
RapidPipeline lets you convert, optimize and prepare your 3D models, easily. Try it today, or meet our human 3D experts. The Best-in-Class Tools for Your 3D Processing Jobs