Biomechanics engine · v1

Lab-grade swing analysis from any phone.

zfuze turns a single video into precise 3D biomechanics — tempo, rotation, sequence, and power — measured to the degree. No sensors. No suit.

live capture
240fps · 33pts
Club speed
113mph
Tempo
3.0:1
Hip rotation
442°/s
33 pts
Tracked body landmarks
240 fps
Slow-motion capture support
<1°
Rotation measurement precision
How it works

From video to biomechanics in three steps

The same filtering math used in aerospace motion tracking — now pointed at your swing.

01

Upload your swing

Any phone video, face-on or down-the-line. We auto-detect slow-motion footage and adjust the physics.

02

Extract 3D motion

33 body landmarks tracked per frame, smoothed by a Kalman filter, then lifted into true 3D with bone-length constraints.

03

Read your numbers

Tempo, hip and shoulder rotation, X-factor, sequence and weight shift — each scored against tour benchmarks.

Try it now

See your swing in numbers

Drop a swing video below. We'll extract the biomechanics in seconds.

Drop your swing video
or browse files — 5 to 15 seconds works best
MP4MOVAVI
Slow-motion video?
Extracting pose landmarks
Kalman filter smoothing
3D bone-length reconstruction
Computing biomechanics
0
swing score
Analyzing…
Download overlay video
For coaches & academies

Prove improvement. Keep students longer.

Stop assessing swings by eye. Give every student objective, session-over-session data they can see and feel.

  • Track unlimited students from one dashboard
  • Compare swings side-by-side over time
  • Export branded reports for each lesson
  • No hardware — works with your phone
Marcus T.
12 sessions · +14% hip speed
88
↗ +6
Sarah K.
8 sessions · tempo improving
81
↗ +9
James P.
5 sessions · sequence fixed
76
↗ +12
Pricing

Start free. Upgrade when you're hooked.

No hardware costs. No contracts. Cancel anytime.

Free
$0/mo
For the curious golfer
  • 3 swing analyses / month
  • Core biomechanics metrics
  • Swing score & verdict
Most popular
Pro
$12/mo
For the serious improver
  • Unlimited analyses
  • Overlay video export
  • Full swing history & trends
  • Side-by-side comparison
Coach
$49/mo
For coaches & academies
  • Everything in Pro
  • Up to 30 students
  • Branded lesson reports
  • Student progress dashboard

Your swing has a number.
Find out what it is.

Upload a video and get tour-grade biomechanics in seconds — free.

Analyze your swing