Running · Bike fit · Exercise

See how you move. Track what changes.

Turn a phone video into a movement snapshot. Measure your running form, riding position, or exercise technique, then compare your next session.

No app install · short preview without signup · source video not retained

Real side-view running footage with a ViSIn pose overlay
Real running footage. Explore the poses, measurements, and charts in the interactive example.
Start with your goal

What do you want to analyze?

Results before controls

See the finding, then inspect the evidence.

A plain-language snapshot summarizes capture quality and useful estimates. Open the underlying poses, angles, frames, and charts whenever you want to verify or edit the result.

26 editable points

Feet included. Correct a missed landmark instead of discarding the clip.

Side-by-side comparison

Synchronize a baseline and follow-up on one timeline.

Private by design

Pose inference runs in your browser and source media is not retained.

Honest 2D estimates

Capture guidance, confidence context, and visible limitations. This is not a diagnosis.

Athlete feedback

What people say after using ViSIn

Write a review
“ViSIn has been instrumental in understanding how my body moves, and changes with the running season. I am able to track metrics that help me understand both my performance and risk profile.”
Carmelo G ViSIn founder and runner
View the real interactive example