Privacy Policy

Privacy Overview

Zero Data Collection Guarantee

Gymzyfy operates on a privacy-first principle. We do not collect, store, or transmit any of your personal health information. All calculations are performed locally in your browser.

At Gymzyfy, we believe your health data should remain private and under your control. This privacy policy explains our commitment to protecting your information and outlines our transparent data practices.

Client-Side Processing

All calculations happen in your browser, never on our servers

No Data Storage

We don't store your BMR, weight, or any personal metrics

Anonymous Usage

Use our tools without creating accounts or providing personal info

Information We Collect

Important: We do not collect any personally identifiable information (PII) or health data.

What We DON'T Collect:

Personal Health Data: BMR, BMI, weight, height, body fat percentage
Personal Information: Names, email addresses, phone numbers
Location Data: GPS coordinates or precise location tracking
Biometric Data: Fingerprints, health records, fitness tracking data
Account Information: We don't require user registration

What We MAY Collect (Anonymous Only):

Data Type	Purpose	Retention
Usage Analytics	Improve website performance	26 months (Google Analytics)
Browser Information	Ensure compatibility	Session only
Error Logs	Fix technical issues	30 days

How We Protect Your Privacy

Technical Safeguards:

Client-Side Calculations: All BMR, TDEE, and macro calculations are performed entirely in your browser using JavaScript. Your data never leaves your device.
No Server Storage: We don't have databases storing personal health information.
HTTPS Encryption: All communications are encrypted using industry-standard SSL/TLS protocols.
Local Storage Only: If you choose to save your preferences, they're stored locally on your device.

Privacy by Design:

Minimal Data Collection: We only collect what's absolutely necessary for functionality
Purpose Limitation: Any data collected is used solely for its stated purpose
Transparency: We clearly explain what data we collect and why
User Control: You have full control over your data and settings

How Client-Side Processing Works

When you enter your age, weight, and height into our BMR calculator, this information is processed directly by your browser using JavaScript. The calculations happen on your device, and the results are displayed immediately without any data being sent to our servers.

Third-Party Services

To provide and improve our services, we may use the following third-party services:

Google Analytics (Optional)

Purpose: Understand website usage patterns and improve user experience
Data Collected: Anonymous usage statistics, page views, session duration
Privacy: No personally identifiable information is shared
Control: You can opt-out using browser settings or ad blockers
More Info: Google Privacy Policy

Content Delivery Networks (CDNs)

Bootstrap CSS/JS: For responsive design and UI components
Font Awesome: For icons and visual elements
Purpose: Faster loading times and better performance
Data: Only technical information required for content delivery

Your Control: You can block third-party scripts using browser extensions or privacy-focused browsers while still using our calculators offline.

Local Storage & Browser Data

Our calculators may store some information locally on your device to enhance your experience:

What's Stored Locally:

Theme Preference: Dark/light mode selection
Unit Preferences: Metric vs Imperial units
Calculator Settings: Formula preferences and activity levels
Form Data: Last entered values for convenience (optional)

Important Notes:

This data never leaves your device
You can clear it anytime through your browser settings
It's not linked to your identity
We cannot access this information

How to Clear Local Data

Chrome/Edge: Settings → Privacy → Clear browsing data → Local storage

Firefox: Settings → Privacy → Clear Data → Site Data

Safari: Preferences → Privacy → Manage Website Data

Your Privacy Rights

We respect your privacy rights under various data protection laws including GDPR, CCPA, and others:

Right to Privacy

Use our tools without providing personal information

Right to Opt-Out

Disable analytics and tracking features

Right to Information

Full transparency about our data practices

Right to Delete

Clear local data anytime through browser settings

GDPR Compliance (EU Users):

We don't process personal data, so most GDPR provisions don't apply
Any analytics data is anonymized and aggregated
You have the right to object to any data processing
No consent is required for basic calculator functionality

CCPA Compliance (California Users):

We don't sell personal information (we don't collect it)
No personal information is shared with third parties
You can request information about data practices anytime

Security Measures

Even though we don't collect personal data, we implement strong security measures:

Technical Security:

HTTPS Encryption: All communications are encrypted in transit
Secure Hosting: Our website is hosted on secure, monitored servers
Regular Updates: We keep our systems and dependencies updated
Security Headers: Implementation of security headers to prevent attacks

Operational Security:

Access Controls: Limited access to systems and code
Monitoring: Continuous monitoring for security threats
Incident Response: Procedures for handling security incidents
Code Reviews: Regular security audits of our codebase

Security Tip: Since our calculators work offline, you can disconnect from the internet after loading the page for maximum privacy.

Children's Privacy (COPPA Compliance)

We are committed to protecting the privacy of children under 13:

No Age Verification: We don't collect age information or require registration
No Personal Data: Our calculators don't collect any personal information from users of any age
Educational Use: Our tools can be safely used for educational purposes
Parental Guidance: We recommend parental supervision for health-related calculations