Privacy Policy

Last updated: April 3, 2026

1. Introduction

HMD Developments ("we", "us", "our") operates HMD.bio. This Privacy Policy explains what information we collect, how we use it, and your rights regarding that information.

2. Information We Collect

When you create a short link:

• The destination URL you provide
• Your IP address (for rate limiting and abuse prevention)

When someone clicks a short link:

• IP address (used to determine country; not stored long-term in identifiable form)
• Referrer URL
• Browser and operating system (derived from User-Agent)
• Country code (derived from IP geolocation)
• Timestamp of click

Admin accounts:

• Username and hashed password
• Session data for authentication

3. How We Use Information

We use collected information to:

• Provide and operate the URL shortening service
• Generate anonymous click analytics for link owners
• Prevent abuse, spam, and malicious activity
• Improve the Service

4. Data Sharing

We do not sell, trade, or rent personal information to third parties. We may share data with:

• Infrastructure providers (hosting, CDN) as necessary to operate the Service
• Law enforcement if required by law

5. Data Retention

Click analytics data is retained for the lifetime of the associated link. When a link is deleted, its associated click data is also removed. Expired links are automatically removed by the system.

6. Your Rights

Depending on your jurisdiction, you may have the right to access, correct, or delete your personal data. Contact us at privacy@hmddevs.org to exercise these rights.

7. Security

We implement industry-standard security measures, including encrypted connections (HTTPS), hashed passwords, and access controls to protect your data.

8. Changes

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date.

9. Contact

For privacy inquiries, email us at privacy@hmddevs.org.