The C3D format is a public domain file format that has been used in Biomechanics, Animation and Gait Analysis laboratories to record synchronized 3D and analog data since the mid 1980's.

The applications listed below in alphabetical order are free or demonstration versions of applications that support the C3D format and provide access to C3D files.

This is the current release of the C3D User Guide which documents the C3D format in detail so that everyone can understand the details of the format and potentially write software to access …

This collection of C3D files is a resource for programmers, developers, and users who want to test their software applications for compatibility with the C3D standard and different manufacturers …

October 15, 2019 - Updated the C3D User Guide, the on-line web site help guide, and added a compiled help version of the C3D User Guide describing the current status of the C3D file format.

The C3D file format has been proved in continuous use since 1987. The original C3D data file format was developed by Dr. Andrew Dainis - this version is described in a published C3D file …

If you are having issues with C3D files then a quick solution may be to download Mokka and the MLSviewer, two free applications from the www.c3d.org web site, and use them to open your …

The companies and organizations listed below in alphabetical order, have all stated that they offer products that support C3D files and have requested that they are listed on the C3D web site.

The C3D format was designed to record the analog voltages generated by sensors during each data collection trial. These sampled voltages are intended to be stored in the C3D file together …

Originally based on a description of the C3D format written by Andrew Danis in the late 1980’s, this user guide expands the documentation based on conversations with Andrew Danis and …