Upload game tape, phone footage, or a clip from any camera. Place a start, a finish, and a distance for top speed and split times — then let on-device AI trace your body and measure ground contact, step by step. No download. No account.
Open Web Analyzer ↗No sensors. No wearables. If the sprint is on video, the Web Analyzer can read it.
Mark a section of your sprint and on-device AI traces your body, finds every foot strike, and measures ground contact for you. No wearables. Nothing leaves your browser.
A live skeleton locks onto you through the whole section, so you can watch exactly how you move out of the start and through top speed.
AI finds each foot strike and times how long it stays on the ground — no scrubbing frame by frame to mark it by hand.
Get your total foot contacts for the section, broken down left and right — the step-by-step picture of how the run actually played out.
AI flags overstriding — when your foot lands out ahead of your body and puts the brakes on your speed, so you can clean up the steps that cost you time.
Runs entirely in your browser. Your video is never uploaded — the AI works right on your device.
No Apple Watch? No problem. Any phone on a tripod can capture your rep. Upload the clip and get your numbers.
Filmed an athlete at a competition? Pull the clip on your laptop and analyze the run the same day — no equipment to bring.
Game tape, drone footage, Android phone, GoPro — if you can play it in a browser, you can analyze it. The Web Analyzer doesn't care what recorded it.
Open in your browser. Upload a clip. Start reading numbers.
No account required · No download · Works in Chrome, Safari, Edge
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