Home3D Model ConverterU3D ConverterConvert U3D to OBJ

Free Online U3D to OBJ Converter

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your U3D file, once uploaded to our server will be deleted 15 minutes after upload so please download your converted U3D file before this time.

How to Convert your U3D to OBJ Online?

Here are 2 simple steps to convert your U3D to OBJ using our fast and free U3D converter tool.

Upload your U3D file

Click the "Upload a U3D File" button, then select a U3D to upload. The maximum file size is 100MB.

Download your OBJ

Click the download link to receive your OBJ file.

File format information for U3D and OBJ

Full NameUniversal 3D
Type3D Model
Mime Typemodel/u3d

A U3D file is a digital 3D model file format used to represent three-dimensional objects and scenes. The acronym "U3D" stands for Universal 3D, indicating its aim to be a versatile format compatible with various applications and platforms. U3D files store geometric information about the object's shape, such as vertices, edges, and faces, as well as texture coordinates and material properties. Additionally, U3D files can contain animation data, allowing the model to be animated and brought to life in compatible software. Due to its compact size and efficient representation, U3D is often employed for 3D graphics in interactive applications, such as real-time 3D visualization, video games, and augmented reality experiences.

U3D files are commonly used in conjunction with PDF documents, serving as embedded 3D content within a PDF file. This integration allows for interactive 3D elements in PDFs, enhancing presentations, technical documentation, and educational materials. Users can rotate, pan, and zoom into the 3D model directly within the PDF viewer, providing a more engaging and immersive experience. Moreover, U3D's compatibility with PDF ensures that the 3D content can be shared, viewed, and interacted with across different devices and platforms without the need for specialized 3D modeling software.

Developed by the 3D Industry Forum (3DIF) and later adopted as an open standard by Ecma International, U3D files continue to be supported by various 3D software applications and libraries. Its versatility, portability, and ability to enrich 3D content in PDF documents have contributed to its widespread use in diverse fields, including architecture, engineering, medicine, and entertainment. However, as with any file format, it is essential to ensure compatibility with the intended software and check for updates to maintain optimal performance and compatibility with evolving 3D technologies.

U3D Converter Capabilities

Our U3D 3D Model/Mesh tool does not support any color material data contained within U3D files so the converted file will not contain any color information.

Full NameWavefront
Type3D Model
Mime Typetext/plain
Opens WithMeshLab, CAD Assistant, DAZ Studio

An OBJ file is a widely used file format in 3D computer graphics that serves as a standard representation for 3D models. It stands for "Object" and was originally developed by Wavefront Technologies. OBJ files store geometric data, such as vertex positions, normals, texture coordinates, and face information, describing the surface of a 3D object. This data is presented in plain text, making OBJ files human-readable and easy to exchange between various 3D modeling and rendering software.

The structure of an OBJ file is based on vertices (points in 3D space), which form the building blocks of the 3D model's shape. These vertices are organized into faces, typically triangles or quads, representing the surfaces of the object. Alongside the geometric data, OBJ files can also include material information, enabling the application of textures and shaders to the 3D model, providing it with color, reflectivity, and other visual properties.

Due to its simplicity and compatibility across different software platforms, the OBJ file format has become a popular choice for sharing 3D models. However, being a relatively basic format, OBJ files may not support complex features found in more advanced formats like animation data or high-level shader definitions. Despite this limitation, OBJ remains a widely adopted format in various industries, including gaming, animation, virtual reality, and 3D printing.

Information for converting from U3D to OBJ

Your U3D file will be converted to a OBJ file using our unified 3D model and mesh conversion tool. Our U3D 3D tool performs accurate conversions of 3D elements such as vertices, faces, normals and relevant material information. Our tool will not attempt to transfer any color information if present in your U3D file, your final 3D model will contain geometry data only.

Frequently Asked Questions

How can I convert my U3D file to OBJ?

First click the "Upload..." button, select your U3D file to upload. Your U3D file will be uploaded to our servers. When the U3D to OBJ conversion has completed, you can download your OBJ file straight away.

How long does it take to convert my U3D to OBJ?

We aim to process all U3D to OBJ conversions as quickly as possible, this usually takes around 5 seconds however this can be longer for certain files, so please be patient.

How accurate is the U3D to OBJ conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development with new features being added every week.