Privacy Policy
Effective Date: August 12, 2025
Last Updated: August 12, 2025
Website: onlinecalculatorshub.com
At OnlineCalculatorsHub.com ("we," "our," or "us"), we are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website and use our free online calculator tools.
Please read this privacy policy carefully. By accessing or using OnlineCalculatorsHub.com, you agree to be bound by the terms described herein. If you do not agree with the terms of this privacy policy, please do not access the site.
1. Information We Collect
1.1 Information You Provide Directly
OnlineCalculatorsHub.com is designed to respect your privacy. Our calculators perform all calculations directly in your browser, and we do not require user registration or accounts. However, we may collect information when you:
- Contact us through our contact form or email
- Subscribe to our newsletter (if available)
- Report a problem or request support
- Provide feedback or participate in surveys
1.2 Information Collected Automatically
When you visit OnlineCalculatorsHub.com, we automatically collect certain information about your device and usage patterns:
- Device Information: Browser type, operating system, device type, screen resolution, language preferences
- Usage Data: Pages visited, calculators used, time spent on pages, click patterns, referring websites
- Technical Data: IP address (anonymized), approximate geographic location (country/region level), time zone
- Cookies and Similar Technologies: Session cookies, preference cookies, analytics cookies
2. How We Use Your Information
We use the information we collect for the following purposes:
- Service Delivery: To provide and maintain our calculator tools and website functionality
- Improvement: To understand how users interact with our calculators and improve user experience
- Analytics: To analyze usage trends and optimize website performance
- Communication: To respond to your inquiries, feedback, or support requests
- Legal Compliance: To comply with applicable laws, regulations, and legal processes
- Security: To detect, prevent, and address technical issues or fraudulent activity
3. Calculator Data Processing
Important: All calculations performed on OnlineCalculatorsHub.com are processed entirely within your browser using JavaScript. We do not transmit, store, or have access to the values you enter into our calculators or the results generated. Your calculation data remains completely private and never leaves your device.
4. Cookies and Tracking Technologies
We use cookies and similar tracking technologies to enhance your experience on our website:
4.1 Types of Cookies We Use
- Essential Cookies: Required for basic website functionality
- Analytics Cookies: Help us understand how visitors use our site (Google Analytics)
- Preference Cookies: Remember your settings and preferences
- Advertising Cookies: Used by our advertising partners (Google AdSense) to show relevant ads
4.2 Managing Cookies
You can control and manage cookies through your browser settings. Please note that disabling certain cookies may limit the functionality of our website. For more information about managing cookies, visit:
5. Third-Party Services
5.1 Google Analytics
We use Google Analytics to analyze website traffic and usage patterns. Google Analytics collects anonymized data about your interactions with our website. You can opt-out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.
5.2 Google AdSense
We use Google AdSense to display advertisements on our website. Google AdSense uses cookies to serve ads based on your prior visits to our website or other websites. You can opt-out of personalized advertising by visiting Google Ads Settings.
5.3 Content Delivery Networks (CDN)
We use CDN services to deliver content efficiently. These services may collect basic technical information such as IP addresses and user agent strings to optimize content delivery.
6. Data Security
We implement appropriate technical and organizational security measures to protect your information against unauthorized access, alteration, disclosure, or destruction. These measures include:
- SSL/TLS encryption for all data transmission
- Regular security audits and updates
- Limited access to personal information on a need-to-know basis
- Secure hosting infrastructure with regular backups
However, no method of electronic transmission or storage is 100% secure, and we cannot guarantee absolute security of your information.
7. Data Retention
We retain personal information only for as long as necessary to fulfill the purposes outlined in this privacy policy, unless a longer retention period is required by law. Analytics data is typically retained for 26 months. Contact form submissions and support communications may be retained for up to 2 years for quality assurance and legal purposes.
8. Your Privacy Rights
Depending on your location, you may have certain rights regarding your personal information:
8.1 General Rights
- Access: Request information about the personal data we hold about you
- Correction: Request correction of inaccurate or incomplete personal data
- Deletion: Request deletion of your personal data
- Data Portability: Request a copy of your data in a machine-readable format
- Opt-out: Opt-out of marketing communications and targeted advertising
8.2 GDPR Rights (European Users)
If you are located in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR):
- Right to restrict processing of your personal data
- Right to object to processing of your personal data
- Right to lodge a complaint with your local data protection authority
8.3 CCPA Rights (California Residents)
If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA):
- Right to know what personal information is collected, used, shared, or sold
- Right to delete personal information
- Right to opt-out of the sale of personal information
- Right to non-discrimination for exercising privacy rights
9. Children's Privacy
OnlineCalculatorsHub.com is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe we have collected information from your child, please contact us immediately at info@onlinecalculatorshub.com, and we will take steps to delete such information.
10. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that are different from the laws of your country. By using our website, you consent to the transfer of information to countries outside of your country of residence.
11. Do Not Track Signals
Our website does not currently respond to "Do Not Track" signals from web browsers. However, you can manage your tracking preferences through cookie settings and the opt-out mechanisms described in this policy.
12. Links to Third-Party Websites
Our website may contain links to third-party websites or services. We are not responsible for the privacy practices or content of these third parties. We encourage you to review the privacy policies of any third-party sites you visit.
13. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of any material changes by updating the "Last Updated" date at the top of this policy and, where appropriate, providing additional notice on our website.
We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.
14. Contact Information
If you have any questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us at:
OnlineCalculatorsHub.com
Email: info@onlinecalculatorshub.com
Contact Form: onlinecalculatorshub.com/contact
15. Legal Basis for Processing (GDPR)
For users in the European Economic Area, we process personal data based on the following legal grounds:
- Consent: When you provide explicit consent for specific processing activities
- Legitimate Interests: To operate, improve, and maintain our website and services
- Legal Obligations: To comply with applicable laws and regulations
- Vital Interests: To protect the vital interests of you or another person
16. Data Protection Officer
While we are not legally required to appoint a Data Protection Officer, we take data protection seriously. For any data protection inquiries, please contact us at info@onlinecalculatorshub.com with "Data Protection" in the subject line.
Your Privacy Matters
At OnlineCalculatorsHub.com, we are committed to transparency and protecting your privacy. We believe in providing free, useful calculator tools without compromising your personal information. If you have any questions about how we handle your data, please don't hesitate to contact us.
This privacy policy was last reviewed and updated on January 1, 2025.
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