Barbell Tracker
1
2
3
4
Upload Your Lift Video
MP4, MOV, M4V or WebM · Filmed from the side works best
OR
How it works
1
Upload or Film
Film side-on. If recorded prior, trim the video to include only the set for fastest results.
2
Mark bar + calibrate
Weight plates will be auto-detected. If they are not, use the crosshairs to locate the plates/collar to track it, then locate the lines on top and bottom of the weight plate to set the scale.
3
Analysis
The app tracks the bar frame-by-frame using optical flow — entirely in your browser.
4
Results
Auto-detected reps with avg velocity, peak velocity, speed drop %, eccentric time, and a signed velocity chart.
🔒100% private — your video never leaves your device.
Android: choose from Files → Internal Storage → DCIM → Camera if Google Photos causes loading issues.
iPhone: Photo Library usually works. For best results, use Most Compatible video format and turn HDR off.
iPhone: Photo Library usually works. For best results, use Most Compatible video format and turn HDR off.