Effective Date: December 17, 2025 | Last Updated: December 17, 2025
Welcome to PercentageOffCalculator.com ("we," "our," or "us"). We are committed to protecting your privacy and providing transparency about how we collect, use, and safeguard your information.
This Privacy Policy explains our practices regarding data collection and usage when you visit our website. By using PercentageOffCalculator.com, you consent to the practices described in this policy.
Key Points:
Calculator Usage Data: When you use our percentage calculator, we do not store or collect the numerical inputs you enter. All calculations are performed locally in your browser, and we do not have access to the specific numbers you calculate.
Contact Information: If you contact us via email or a contact form, we collect:
When you visit our website, we automatically collect certain information through cookies and similar technologies:
Usage Information:
Device Information:
We may use your browser's LocalStorage to save your calculation history locally on your device for your convenience. This data never leaves your device and is not transmitted to our servers. You can clear this data at any time through your browser settings.
We use the information we collect for the following purposes:
Cookies are small text files stored on your device when you visit a website. They help websites remember information about your visit.
Essential Cookies (Required):
Analytics Cookies (Optional):
We may use third-party services that set cookies on our behalf:
You can control and manage cookies through your browser settings. Most browsers allow you to:
Learn more about cookie management:
Quick Disclosure: We participate in advertising and affiliate programs to keep this calculator free. For a short, easy-to-read summary of our advertising practices, visit our dedicated Advertising Disclosure Page.
We may display third-party advertisements on PercentageOffCalculator.com to support the free availability of our calculator and educational content. These advertisements may be served by advertising networks and partners.
Advertising Partners We May Work With:
Advertising networks use cookies and similar technologies to:
Important: We do not directly control the content of advertisements or the tracking practices of advertising partners. Each advertising partner has their own privacy policy governing how they collect and use data.
Some of our advertising partners use cookies to show you ads based on your browsing activity across different websites. This is called "interest-based advertising" or "behavioral advertising."
Data Used for Interest-Based Ads:
You have the right to opt-out of interest-based advertising. Here's how:
Industry Opt-Out Tools:
Browser-Based Options:
Note: Opting out of interest-based advertising does not mean you'll see fewer ads. You'll still see the same number of ads, but they'll be less relevant to your interests.
We participate in affiliate marketing programs. This means we may earn a commission when you click on certain links and make purchases from partner websites.
How Affiliate Links Work:
FTC Disclosure: In accordance with Federal Trade Commission (FTC) guidelines, we disclose that we have financial relationships with some of the products and services mentioned on this website. We may receive compensation when you click on links to those products or services. This compensation helps us maintain this free calculator and educational content.
Our Affiliate Commitment:
We may publish sponsored content or advertorial posts from business partners. All sponsored content will be clearly labeled as:
Our advertising and affiliate partners have their own privacy policies. We recommend reviewing them to understand how they collect and use your information:
You have several options to control advertising on our website:
We do not knowingly display interest-based advertising to children under 13 (or 16 in the EEA). Our website is not directed at children, and we do not knowingly collect data from children for advertising purposes.
We do not sell, rent, or trade your personal information to third parties for monetary or other valuable consideration.
We may share limited data with trusted third-party service providers who assist us in operating our website:
These service providers are contractually obligated to protect your information and use it only for specified purposes.
We may disclose your information if required by law or in response to:
In the event of a merger, acquisition, or sale of assets, your information may be transferred to the new owner, subject to this Privacy Policy.
If you are located in the European Economic Area (EEA), you have the following rights:
California residents have the following rights under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA):
Residents of Virginia, Colorado, Connecticut, Utah, and other states with privacy laws have similar rights including access, deletion, correction, and opt-out rights.
Email us at: [email protected]
Or visit our Contact Page
We will respond to verified requests within 45 days (GDPR) or 30 days (CCPA/CPRA) as required by law.
To protect your privacy, we may need to verify your identity before processing requests. We may ask for:
We implement reasonable security measures to protect your information:
We retain your information only as long as necessary for the purposes described in this policy:
While we strive to protect your information, no internet transmission or electronic storage method is 100% secure. We cannot guarantee absolute security.
Our website is accessible globally. If you access our website from outside the United States, your information may be transferred to, stored, and processed in the United States.
For European users, we ensure adequate protection for international transfers through:
Our website is intended for general audiences and is not directed to children under 13 years of age (or 16 in the EEA).
We do not knowingly collect personal information from children. If you believe we have inadvertently collected information from a child, please contact us immediately at [email protected], and we will promptly delete it.
We may update this Privacy Policy periodically to reflect changes in our practices or legal requirements.
When we make changes:
We encourage you to review this policy periodically to stay informed about how we protect your information.
If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:
Email: [email protected]
General Contact: Visit Our Contact Page
Response Time: We aim to respond to all inquiries within 2-3 business days.
Data Protection Officer (DPO) Contact:
For GDPR-related inquiries, you may contact our Data Protection Officer at: [email protected]
If you are located in the EEA and believe we have not adequately addressed your privacy concerns, you have the right to lodge a complaint with your local data protection authority.
This Privacy Policy was last updated on December 17, 2025, and is effective immediately.
By using PercentageOffCalculator.com, you acknowledge that you have read and understood this Privacy Policy.