Does SolarToolsOnline collect my personal data?

No. All calculations run entirely in your browser. Numbers you enter are never transmitted to any server, stored in a database, or linked to your identity. SolarToolsOnline uses anonymous analytics (page views, browser type) that cannot be tied to any individual user.

Is my solar data safe when using these calculators?

Yes. SolarToolsOnline calculators are 100% client-side — your electricity bill, system cost, and other inputs never leave your device. There is no account to create, no login, and no data to breach.

Privacy Policy

Last updated: April 4, 2026

1. Our Commitment to Privacy

SolarToolsOnline is committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding your data. We built SolarToolsOnline with a privacy-first approach — no account required, no personal data sold.

2. Information We Do Not Collect

SolarToolsOnline does not require you to create an account or provide any personal information to use our calculators. We do not collect:

Names, email addresses, or contact information
Financial account information
Social security numbers or government IDs
Payment information
Calculator inputs you enter (all calculations run locally in your browser)

3. Information Automatically Collected

Like most websites, we may automatically collect certain technical information when you visit, including:

IP address (anonymized)
Browser type and version
Pages visited and time spent on each page
Referring website
Device type (desktop, mobile, tablet)

This information is used solely to understand how visitors use our tools so we can improve them. It is not linked to any personal identity.

4. Cookies

We may use essential cookies to ensure the basic functionality of our website. We do not use tracking cookies, advertising cookies, or cross-site tracking technologies. You can disable cookies in your browser settings without affecting your ability to use our calculators.

5. Analytics

We may use privacy-respecting analytics tools to understand aggregate usage patterns. Any analytics data is anonymized and aggregated — we cannot identify individual users from this data.

6. How Calculator Data Is Processed

All calculations on SolarToolsOnline are performed entirely within your web browser using JavaScript. The numbers you enter into our calculators are never transmitted to our servers or stored anywhere. Your financial and energy data stays on your device.

7. Third-Party Services

We may use third-party services such as content delivery networks (CDNs) to serve our website efficiently. These providers may process technical data (such as IP addresses) as part of delivering our content. We select providers that adhere to strong privacy standards.

8. Children's Privacy

SolarToolsOnline is not directed at children under 13 years of age. We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us and we will promptly delete it.

9. Data Security

We implement appropriate technical and organizational measures to protect any data we handle against unauthorized access, alteration, disclosure, or destruction. Our tools are served over HTTPS to ensure encrypted connections.

10. Your Rights

Depending on your location, you may have rights regarding your personal data, including the right to access, correct, or delete any personal data we hold about you. Since we collect minimal data, there is typically little to request. Contact us if you have specific concerns.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated date. We encourage you to review this page periodically.

12. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us at [email protected]. We take all privacy inquiries seriously and will respond promptly.