Last updated: September 2026
Overview
This Privacy Policy explains how this website (“we,” “us,” or “our”) collects, uses, and protects information when you visit jonathankellman.com.
Information We Collect
We may collect basic, non-personally identifiable information automatically, such as browser type, device type, and pages visited, through standard cookies and analytics tools.
Interactive Tools
The calculators and converters on this site run entirely in your browser. Values you enter (like a tempo, a date, or an amount) are not sent to or stored on our servers.
Third-Party Services
The Currency Converter tool fetches live exchange rates from third-party APIs (including the Frankfurter/European Central Bank API and other public rate providers). These requests include only the currencies and amount you select — no personal information is sent.
Cookies and Advertising
This site may display advertising through Google AdSense. Google, as a third-party vendor, uses cookies to serve ads based on your prior visits to this website or other websites. You may opt out of personalized advertising by visiting Google Ads Settings, or opt out of a third-party vendor’s use of cookies at www.aboutads.info.
Affiliate Disclosure
Some pages on this site may include affiliate links (such as Amazon Associates, Sweetwater, or Thomann). If you click one of these links and make a purchase, we may earn a small commission at no extra cost to you.
Third-Party Links
This site may link to third-party websites. We are not responsible for the privacy practices or content of those external sites.
Your Consent
By using this site, you consent to this Privacy Policy.
Contact Us
If you have questions about this policy, please reach out through this website.