Privacy Policy

Summary (Plain English)

We believe in keeping things simple and respecting your privacy. Here's the short version:

  • We don't collect personal data. No account is required to use our calculators.
  • Calculations happen entirely in your browser. The numbers you enter are processed by JavaScript on your device, not sent to our servers.
  • Nothing is stored. We don't save your calculation inputs, results, or history.
  • No tracking of your calculations. We have no way of knowing what values you entered or what results you received.

Read on for more details about what information may be collected and how it's used.

Information We Don't Collect

Unlike many websites, we specifically avoid collecting the following:

  • No accounts required: You don't need to register, create a username, or provide an email address to use our calculators
  • No calculation data: Your inputs (wavelengths, frequencies, energies, etc.) are never transmitted to our servers
  • No calculation history: We don't store or track what calculations you've performed
  • No personal health or financial data: Our physics calculators don't involve sensitive personal information
  • No location tracking: We don't request or store your precise location
  • No social media integration: No Facebook, Google, or other social login that could share your data

Information That May Be Collected

While we minimize data collection, some information may be collected through standard web technologies:

Analytics

We may use basic analytics to understand how the site is used. If analytics are enabled, they typically collect:

  • Page views (which pages are visited)
  • Approximate geographic region (country level, not precise location)
  • Device type (desktop, mobile, tablet)
  • Browser type and version
  • Referring website (how you found us)

This data is aggregated and anonymous. We cannot identify individual users from analytics data.

Cookies

Cookies are small text files stored on your device. Our site uses only essential cookies, if any:

  • Session cookies: May be used temporarily to maintain basic site functionality
  • Preference cookies: May store settings like your preferred units (if such features are implemented)

We do not use cookies for advertising, tracking across websites, or building user profiles. You can disable cookies in your browser settings, though this may affect some site functionality.

Server Logs

Like most websites, our hosting provider (Vercel) automatically logs basic request information:

  • IP address (may be anonymized)
  • Date and time of access
  • Pages requested
  • Browser user agent string

These logs are used for security, troubleshooting, and abuse prevention. They are not used to track individual users.

Email Communications

If you contact us via email at info@wavelengthcalculator.org, the information you provide is:

  • Used solely for the purpose of responding to your message
  • Not shared with third parties for marketing or any other purposes
  • Not added to any mailing list unless you explicitly request it
  • Retained only as long as necessary to address your inquiry

Third-Party Services

We use the following third-party services that may have access to limited data:

Vercel (Hosting)

Our website is hosted on Vercel. They process web requests and maintain server logs as described above. Vercel's infrastructure is designed with privacy and security in mind.

No Advertising Networks

We do not use advertising networks. There are no ads on this site, and no ad-related tracking.

Your Rights

You have the right to:

  • Access: Request information about what data we may have about you
  • Deletion: Request deletion of any contact form submissions you've sent us
  • Correction: Request correction of any inaccurate information
  • Opt-out: Disable cookies in your browser to prevent cookie-based data collection

To exercise these rights, please contact us at the email address below. Since we collect minimal data, in most cases there will be nothing to delete or correct.

Children's Privacy

Our calculator tools are educational in nature and may be used by students of all ages. However, we do not knowingly collect personal information from children under 13 years of age. Since our calculators work without accounts or data collection, children can use the site without providing personal information.

If you believe a child has provided us with personal information through the contact form, please contact us and we will promptly delete it.

Data Security

We take reasonable precautions to protect any information that may be collected:

  • Our site is served over HTTPS, encrypting data in transit
  • We use reputable hosting and service providers with strong security practices
  • We minimize data collection to reduce potential exposure

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

Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. When we make changes:

  • The updated policy will be posted on this page
  • The "Last Updated" date at the bottom will be revised
  • For significant changes, we may provide additional notice (such as a note on the homepage)

We encourage you to review this policy periodically to stay informed about how we protect your privacy.

Contact Us

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

info@wavelengthcalculator.org

We take privacy concerns seriously and will respond to your inquiry as promptly as possible.

Last Updated: January 2026