Privacy Policy

Last updated: January 2026

Privacy First

All calculations happen in your browser. Your data never leaves your device and is never uploaded to our servers.

Last updated: January 2026

1. Introduction

Welcome to x8ys ("we," "our," or "us"). We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, and safeguard your information when you use our website and online tools.

By using x8ys, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

We may collect information you voluntarily provide, including:

  • Contact Information: Name and email address when you contact us or subscribe to our newsletter
  • Feedback: Comments, suggestions, or bug reports you submit
  • User Content: Any data you input into our calculators and tools (processed locally in your browser)

2.2 Automatically Collected Information

When you visit our website, we automatically collect:

  • Device Information: Browser type, operating system, device type
  • Usage Data: Pages visited, time spent, click patterns
  • Technical Data: IP address, referring URL, access times

2.3 Cookies and Tracking Technologies

We use cookies and similar technologies to:

  • Remember your preferences
  • Analyse website traffic and usage patterns
  • Deliver relevant advertisements (via Google AdSense)
  • Improve our services

See our Cookie Policy for detailed information about the cookies we use.

3. How We Use Your Information

We use collected information to:

  • Provide and maintain our services
  • Improve and personalise user experience
  • Analyse usage patterns and optimise performance
  • Respond to your enquiries and support requests
  • Send newsletters (with your consent)
  • Display relevant advertisements
  • Comply with legal obligations

4. Data Processing Location

4.1 Browser-Based Processing

Most of our tools process data entirely in your browser. This means:

  • Your data never leaves your device
  • We cannot see or access your calculations
  • No data is stored on our servers

4.2 Server-Side Processing

Some features may require server processing. In these cases:

  • Data is encrypted in transit (HTTPS)
  • Data is processed and immediately deleted
  • We do not store your input data

5. Third-Party Services

5.1 Google Analytics

We use Google Analytics to understand how visitors use our website. Google Analytics collects:

  • Pages visited and time spent
  • Geographic location (country/city level)
  • Device and browser information

You can opt out using the Google Analytics Opt-out Browser Add-on.

5.2 Google AdSense

We display advertisements through Google AdSense. Google may use cookies to serve ads based on your prior visits to our website or other websites.

You can opt out of personalised advertising at Google Ad Settings.

5.3 Cloudflare

We use Cloudflare for security and performance. Cloudflare may collect technical data to protect against malicious traffic.

6. Data Security

We implement appropriate security measures to protect your information:

  • HTTPS encryption for all data transmission
  • Regular security audits and updates
  • Limited access to personal data
  • Secure hosting infrastructure

However, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.

7. Your Rights

Under UK GDPR and Data Protection Act 2018, you have the right to:

  • Access: Request a copy of your personal data
  • Rectification: Request correction of inaccurate data
  • Erasure: Request deletion of your data ("right to be forgotten")
  • Restriction: Request limited processing of your data
  • Portability: Receive your data in a portable format
  • Object: Object to processing of your data
  • Withdraw Consent: Withdraw consent at any time

To exercise these rights, contact us at [email protected].

8. Data Retention

We retain personal data only as long as necessary:

  • Contact enquiries: 2 years after last contact
  • Newsletter subscribers: Until you unsubscribe
  • Analytics data: 26 months (Google Analytics default)
  • Server logs: 30 days

9. Children's Privacy

Our services are not directed to children under 13. We do not knowingly collect personal information from children. If you believe we have collected data from a child, please contact us immediately.

10. International Transfers

Your information may be transferred to and processed in countries outside the UK. We ensure appropriate safeguards are in place, including:

  • Standard Contractual Clauses
  • Adequacy decisions by the UK government

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by:

  • Posting the new policy on this page
  • Updating the "Last updated" date
  • Sending an email notification (for significant changes)

12. Contact Us

If you have questions about this Privacy Policy or our data practices, contact us:

  • Email: x8ys#hotmail.com
  • Contact Form: Contact Us

For complaints, you may also contact the Information Commissioner's Office (ICO) at ico.org.uk.