How does StrokeLab work?

Upload your swimming photos, our AI analyzes your stroke using MediaPipe pose detection, and you receive personalized feedback in seconds.

What type of photos should I upload?

Side-view photos taken above water work best. Ensure good lighting and that your full body is visible. We recommend 1-3 photos for comprehensive analysis.

How accurate is the AI analysis?

Our AI uses MediaPipe Pose estimation, which provides 33 3D keypoints with high accuracy. For best results, use clear photos with minimal water splash obstruction.

What swimming strokes are supported?

MVP supports freestyle (front crawl) only. Backstroke, breaststroke, and butterfly will be added in future updates.

Yes. We use Cloudflare R2 for secure image storage and never share your data with third parties. You can delete your analysis history at any time.

AI-Powered Swimming Stroke Analysis

Upload your swimming photos and get instant feedback on your technique. Improve your form with personalized AI coaching.

Why StrokeLab?

Professional-grade analysis at your fingertips

Instant Analysis

Get detailed feedback on your stroke in seconds. Our AI analyzes 5 key metrics including body alignment, arm entry angle, and head position.

Personalized Coaching

Receive tailored improvement suggestions powered by advanced AI. Learn exactly what to fix and how to fix it.

Track Progress

Save your analysis history and visualize your improvement over time. See how your technique evolves with each session.

How It Works

Three simple steps to better swimming

Upload Photo

Take a photo of your swimming from the side (above water). We recommend 1-3 photos for best results.

AI Analysis

Our AI detects your body keypoints and evaluates your stroke against professional standards.

Get Feedback

Receive a detailed report with scores, visual overlays, and personalized improvement suggestions.

What to Upload

See examples of photos and videos that work best for analysis

Freestyle – Side View

Clear side angle showing full body position and arm entry.

Breaststroke

Front or side view showing arm and leg coordination.

Video Upload

5–10 second clip from underwater or above water side angle.

Ready to Improve Your Swimming?

Join thousands of swimmers using AI to perfect their technique.

Please wait a moment