Privacy Policy

Last updated: April 22, 2026

1. Overview

Willconia Golf Swing Trimmer ("we", "our", or "us") is committed to protecting your privacy. This policy explains what data we collect, how we use it, and your rights.

2. Data We Collect

Cookies: We use a single functional cookie (golf_uid) to identify your browser session and track your credit balance. This cookie does not contain personal information and is not used for advertising or tracking across other websites.

Payment information: Payments are processed by Stripe. We receive only your email address from Stripe after a successful payment, solely for the purpose of credit recovery. We do not store credit card numbers or full payment details.

Video files: Videos you upload are processed on our server and permanently deleted immediately after processing is complete. We do not retain, analyze, or share your video content.

Usage data: We collect anonymized processing statistics (processing time, file size) to improve our service. This data is not linked to your identity.

3. How We Use Your Data

The golf_uid cookie is used exclusively to maintain your credit balance across sessions.
Your email address (collected via Stripe) is used only for credit recovery if you lose access to your credits.
We do not sell, share, or use your data for advertising purposes.

4. Data Retention

Video files: Deleted immediately after processing (within minutes).
Session cache files: Automatically deleted after 48 hours.
Cookie: Expires after 1 year or when you clear your browser cookies.
Payment email: Retained as long as you have a credit balance, deleted upon request.

5. Third-Party Services

Stripe: Payment processing. Stripe Privacy Policy
Cloudflare: Content delivery and DDoS protection. Cloudflare Privacy Policy
Google MediaPipe: AI-powered pose detection used for swing analysis. MediaPipe does not receive or process any user data — all analysis runs locally on our server. MediaPipe on GitHub
OpenCV: Open-source computer vision library used for video frame processing. opencv.org

6. Open Source Software Notices

This service uses the following open-source software components. All components are used as unmodified system or pip-installed packages and are not bundled or redistributed to end users.

Software	License	Use in this service	Source
MediaPipe Copyright © 2019–2024 The MediaPipe Authors	Apache 2.0	AI pose estimation for golf swing detection and key-frame extraction	github.com/google-ai-edge/mediapipe
OpenCV Copyright © 2000–2024 Intel Corporation, Willow Garage, Itseez	Apache 2.0	Video frame processing, image extraction and watermarking	github.com/opencv/opencv
FastAPI Copyright © 2018 Sebastián Ramírez	MIT	Web application framework	github.com/fastapi/fastapi
FFmpeg Copyright © 2000–2024 the FFmpeg developers. FFmpeg is a trademark of Fabrice Bellard.	GPL v2+	Server-side video trimming and processing. System-installed build compiled with `--enable-gpl` (includes libx264, libx265). Invoked as an unmodified system binary via subprocess only — not bundled or distributed to end users. Source: ffmpeg.org/download.html	ffmpeg.org

7. Your Rights

You have the right to:

Request deletion of your data (email us at )
Clear your browser cookies at any time (note: this will reset your credit tracking)
Request information about what data we hold about you

8. Cookies

We use one functional cookie:

Cookie	Purpose	Expires
`golf_uid`	Identifies your browser to track credit balance	1 year

We do not use advertising, analytics, or third-party tracking cookies.

9. Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect data from children.

10. Contact

For privacy-related questions or data deletion requests:
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