ezc3d

Version 1.5.18 (962 KB) by Pariterre
Easy to use C3D reader/writer in C++, Python and Matlab
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2.3K Downloads
Updated 27 Nov 2025
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Easy to use library to read and write/modify C3D files. C3D files are widely used in the field of biomechanics and community lacks of easy solution to deal with them. EZC3D addresses this problem by providing a C++, Python and MATLAB easy solution for all your c3d manipulation.
Please refer to the readme and the documentation for more informations.
NOTE: You can now download the compiled binaries from the release page of ezc3d: https://github.com/pyomeca/ezc3d/releases/latest

Cite As

Pariterre (2026). ezc3d (https://github.com/pyomeca/ezc3d), GitHub. Retrieved .

Michaud, Benjamin, and Mickaël Begon. ezc3d: An Easy C3D File I/O Cross-Platform Solution for C++, Python and MATLAB. Zenodo, 2021, doi:10.5281/ZENODO.4553333.

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MATLAB Release Compatibility
Created with R2018a
Compatible with R2018a to R2018b
Platform Compatibility
Windows macOS Linux
Tags Add Tags
c3d

binding/matlab

examples/matlab

test/matlab

Versions that use the GitHub default branch cannot be downloaded

Version Published Release Notes
1.5.18

Fixed some problems with large c3d
1.5.11

Bunch of new features are now available, see the release notes of ezc3d
1.5.2

See Github for notices
1.4.2

The 1.4.2 version correspond to the version of the JOSS paper
0.3.2

To view or report issues in this GitHub add-on, visit the GitHub Repository.
To view or report issues in this GitHub add-on, visit the GitHub Repository.