Kinovea

What Kinovea is

Kinovea is a free Windows desktop tool for annotating video and analyzing sport and motion. It can capture footage, slow it down, compare videos, add annotations, track motion, and measure movement. Users can show two videos side by side and synchronize them around a common event. Measurement tools support manual checks of angles, distances, and times, along with semi-automatic tracking of point trajectories. Grid-based calibration accommodates rotated or perspective-aware coordinate systems, and tools can compensate for lens distortion. Capture supports UVC cameras, supported machine-vision cameras, and JPEG or MJPEG network camera streams. Annotations can be saved as KVA files, measurements exported as CSV, and videos exported with annotations or synchronized frames. XML-described custom tools can be created or modified, including tools for tracking points and measuring distances or angles. Kinovea requires Windows 7 to 11 with .NET Framework 4.8. It does not work on Mac computers with Apple Silicon, including through Parallels or virtualization. The software is GPL v2, needs no internet access or account, collects no user data or telemetry, and can be used personally, academically, or commercially without registration. Its Kinovea plan is free.