Privacy Policy

1. Data We Collect and How We Handle It

• Web Tools & Mini Apps: JWorld web calculators and tools can be used freely without any account or sign-up. All calculation inputs and user preferences are processed strictly on your client device (via local storage) and are never sent to or stored on our servers.
• Contact Submissions: When you submit an inquiry through our contact form, we collect your name (optional), reply email (optional), and message to respond to your request.
• Automatically Logged Data: Standard web logs including IP address, browser type, referral URLs, and cookies may be collected for service stability, security, and performance analytics.

2. Purposes of Processing

We process collected information strictly for:

• Responding to user inquiries, bug reports, and feedback
• Monitoring and improving website functionality, performance, and security
• Preventing abuse and unauthorized system access

3. Cookies and Google AdSense Advertising Policy

We use cookies and third-party advertising partners, including Google AdSense, to serve ads on our site:

• Third-Party Vendor Cookies: Third party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites on the Internet.
• Personalized Advertising: Google's use of advertising cookies enables it and its partners to serve ads to users based on their visit to our sites and/or other sites on the Internet.
• Opting Out: Users may opt out of personalized advertising by visiting Google Ads Settings. Alternatively, you can opt out of third-party vendor cookies for personalized advertising by visiting www.aboutads.info.
• Browser Cookie Controls: You can configure your browser settings to accept, notify, or decline cookies at any time.

4. Data Retention and Deletion

Inquiries received through the contact form are retained for up to 3 years to support customer follow-up and legal compliance, after which they are securely deleted.

5. Business Identity & Contact Information