This Privacy Policy explains how Thrive Calculator ("we", "us", or "our") collects, uses, and protects your information when you use our website and calculators. This policy applies to all visitors and users of our services.
Information We Collect
We strive to collect minimal personal information and protect your privacy. All visitors can use all calculators without providing any personal data.
The information we do collect is completely described below.
Information You Provide
We do not require you to create an account or provide personal information to use our calculators. However, you may voluntarily provide information when:
- Contacting us via email or contact forms
- Leaving feedback or suggestions on each calculators
Automatically Collected Information
Some data is collected automatically when you visit our site. This includes technical information about your device and anonymous usage patterns. We use this data to improve performance and fix issues.
Analytics
We use Google Analytics to understand how visitors interact with our site. This includes:
- Pages visited and time spent
- Referral sources and general geographic location
- Device type and browser information
- Anonymous usage patterns
Calculation History
Your calculation history is stored locally on your device using:
- Browser
localStorageAPI - Data never leaves your device
- Click the History in the status bar to open the dialog, then click the Trash to clear
- History is not accessible to us or any third parties
Calculator Settings
Your display preferences for each calculator are stored locally on your device:
- Number precision (significant digits)
- Number notation (auto, fixed, exponential, engineering)
- Stored per-calculator using Browser
localStorageAPI - Data never leaves your device
How We Use Information
We use collected information to:
- Improve our services: Understand which calculators are most popular
- Fix bugs: Identify and resolve technical issues
- Enhance user experience: Optimize performance and usability
- Security: Protect against fraud and abuse
We do not:
- Sell your personal information
- Share data with third parties for marketing purposes
- Track you across different websites
- Store logs of your calculations
Your Privacy Choices
Do Not Sell My Personal Information: Thrive Calculator does not sell your personal information to third parties. We do not share your personal information for monetary or other valuable consideration.
You have the right to opt out of targeted advertising and data sharing where applicable. See the Third-Party Services section below for platform-specific opt-out links.
Cookies and Similar Technologies
We do not rely on cookies for core calculator functionality. The technologies we use are described below.
What Are Cookies
Cookies are small text files stored on your device when you visit websites. We also use localStorage, a similar browser technology, for storing preferences and history locally on your device.
First-Party Storage
We do not use cookies to store your preferences. Instead, we use localStorage for:
| Storage Key | Purpose | Mechanism |
|---|---|---|
theme | Remember dark/light mode preference | localStorage |
calculator-history | Saved calculation history | localStorage |
{calculator}-precision | Number precision setting | localStorage |
{calculator}-notation | Number notation setting | localStorage |
Third-Party Cookies
Third-party services we use may set cookies on their domains:
- Google Analytics: Sets cookies to distinguish users and sessions for analytics purposes
- Google reCAPTCHA: Sets cookies to assess spam risk and improve security
- Google AdSense: Sets cookies for ad personalization
Managing Cookies and Local Storage
You can control cookies through your browser settings:
- Chrome: Settings > Privacy and security > Cookies
- Firefox: Preferences > Privacy & Security > Cookies
- Safari: Preferences > Privacy > Cookies
- Edge: Settings > Cookies and site permissions
You can clear localStorage by clearing site data in your browser settings.
Third-Party Services
We use the following third-party services:
Google Analytics
- Purpose: Website usage analytics
- Data collected: Anonymous usage statistics
- Opt-out: You can use the Google Analytics Opt-out Browser Add-on
Buy Me a Coffee
- Purpose: Optional donation widget
- Data collected: Only if you choose to make a donation
- Privacy: Governed by Buy Me a Coffee's Privacy Policy
Google reCAPTCHA
- Purpose: Spam protection on our contact and feedback forms
- Data collected: Device information, interaction patterns, IP address, and cookies when you interact with the forms
- Privacy: Governed by Google's Privacy Policy
Formspree
- Purpose: Form submission handling for our contact and calculator feedback forms
- Data collected: Name, email, subject, message, and calculator context
- Privacy: Governed by Formspree's Privacy Policy
Google AdSense
- Purpose: Display advertising
- Data collected: If enabled, would collect browsing data and set cookies for personalized advertising
- Opt-out: You can manage ad personalization via Google Ad Settings
Data Security
We implement appropriate technical and organizational measures to protect your information:
- HTTPS encryption: All data transmitted between your browser and our servers is encrypted
- Security headers: We use CSP, HSTS, and other security headers
- Regular updates: Our dependencies and software are kept up-to-date
- No sensitive data: We don't collect or store financial, health, or other sensitive information
Data Retention
We retain personal information only for as long as necessary to fulfill the purposes described in this policy:
- Contact form submissions: Retained as long as needed to respond to and follow up on your inquiry
- Analytics data: Retained according to Google Analytics default settings
- Local storage data: Stored on your device until you clear your browser data or delete it using the provided controls
We regularly review and delete data that is no longer needed.
Your Privacy Rights
Depending on your location, you may have the following rights:
- Right to Access: Request a copy of any personal information we hold about you
- Right to Correction: Request correction of inaccurate personal information
- Right to Deletion: Request deletion of your personal information
- Right to Object: Object to processing of your personal information
- Right to Data Portability: Request transfer of your data to another service
How to Exercise Your Rights
To exercise any of your privacy rights, visit our Contact Us page. We aim to respond to all requests within a reasonable timeframe.
If you are not satisfied with our response, you have the right to lodge a complaint with your local data protection authority:
- EU residents: Your national Data Protection Authority
- UK residents: The Information Commissioner's Office (ICO)
- US residents: Your state Attorney General or relevant consumer protection agency
Children's Privacy
Our services are not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please Contact Us.
International Data Transfers
Our website is hosted in the United States. If you access our services from outside the US, your information may be transferred to and processed in the United States or other countries.
Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be:
- Posted on this page
- Effective immediately upon posting
Get in Touch
Have questions, concerns, or requests regarding this Privacy Policy? Visit our Contact Us page to reach out.
We aim to respond to all privacy-related inquiries within 3-5 business days.
Compliance
This Privacy Policy complies with:
- GDPR (General Data Protection Regulation) for EU users
- CCPA (California Consumer Privacy Act) for California residents
- COPPA (Children's Online Privacy Protection Act)