Click the "Select File" button above, and choose your VTU file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert VTU to another file type
To convert VTU grid files to another format, you need ParaView or other 3D software.
Convert a file to VTU
To convert other file formats to the "Unstructured Grid Data" file type, you need software like ParaView or a similar tool.
About VTU files
A .VTU file stores unstructured grid data using the XML format defined by the Visualization Toolkit (VTK). Scientists and engineers use these files to visualize complex 3D simulations, fluid dynamics, and volumetric data. You can open and analyze these files using ParaView or the VTK library.
While powerful, the .VTU format is strictly tailored for scientific visualization. The files are often massive, consuming gigabytes of storage because they map every node, cell, and scalar value of a 3D grid. Furthermore, standard 3D modeling tools like Blender or AutoCAD cannot read them natively. This makes sharing simulation results with non-technical stakeholders incredibly frustrating.
To use the data elsewhere, you must convert the .VTU file. If you need statistical analysis, convert the data points to CSV. To import the geometry into a standard 3D rendering program, convert it to OBJ or STL. However, be aware that exporting to standard 3D formats will strip away the internal volumetric and scalar data, leaving only the outer surface mesh.
This file format is notoriously difficult to open or convert online because standard converters do not understand complex scientific grid topologies. Often, only the original simulation software can properly read or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your VTU file, detects the exact format, and lets you read the text inside.
If you want to convert VTU file to STL or VTP, you can use ParaView or similar software from the "3D Grid Data Visualization" category. In the File menu, look for Save As… or Export….
To convert files to VTU, try ParaView or another comparable tool in the "3D Grid Data Visualization" category.
The VTU Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our VTU converter.