Extract text from C3D files
To convert your C3D file to another format, you need Visual3D or other 3D software.
To convert other file formats to the "Motion Capture Data" file type, you need software like Visual3D or a similar tool.
The .C3D file format (Coordinate 3D) is the industry-standard binary container for biomechanics, gait analysis, and motion capture data. Originally developed by the National Institutes of Health, it stores synchronized 3D marker coordinates and analog data (such as electromyography or force plate readings) in a single file. While its public domain status makes it universal in research labs using systems like Vicon or Qualisys, the raw binary structure is a major hurdle for accessibility. Users often struggle with .C3D files because they are not human-readable like XML or JSON, and opening them requires specialized, often expensive scientific software like Visual3D or specific programming libraries (Python/MATLAB). Furthermore, legacy files may use outdated DEC floating-point representations, causing compatibility errors in modern software.
To make this data usable for analysis or animation, conversion is essential. For statistical analysis and plotting, users typically convert .C3D to CSV or XLSX to view data in Microsoft Excel. For 3D animation and visual effects workflows, the data must be converted to BVH (Biovision Hierarchy), FBX, or TRC to be compatible with tools like Blender or Autodesk Maya. Less frequently, a .C3D file may be a 3D model used by the Condor Soaring Simulator or a project file from Corel MotionStudio 3D, neither of which are compatible with biomechanics viewers.
Convert.Guru analyzes your C3D file, detects the exact format, and lets you read the text inside.
Users also converted C3B, C4D, FBX, STL, AAB, GLB, TRC, ZIP, G3D, JPG, PDF, XAPK and CRDOWNLOAD files.
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 C3D converter.