Legal Notice

Operator of this website and shop:

Kollol Shanto
Natore
Bangladesh

Privacy Policy

Who is responsible. The operator named above is responsible for any personal data processed through this website.

Hosting. This website is hosted by Cloudflare, Inc. When you visit, Cloudflare processes technically necessary data (such as your IP address, the time of access and the page requested) to deliver the site and protect it from attacks.

No cookies, no tracking. This website sets no cookies, uses no analytics and loads no external fonts or scripts.

Data stored in your browser. The calculator keeps your number of free conversions and, after you unlock it, your license key in your browser's local storage. Your inputs and results are calculated in your browser and are never sent to us. Your license key is sent to our server only to check that it is valid.

Email. If you email us, your message and address are used only to answer your request and are not shared with anyone else.

Purchases. Payments are processed by PayPal; PayPal's privacy policy applies to the data you provide there. We receive your name, email address and payment details from PayPal and use them only to send your license key and handle support or refunds. Their own privacy policy applies to any data you provide there.

Your rights. You can ask what data we hold about you and have it corrected or deleted by emailing the address above. If you are in the EU, you also have the rights granted by the GDPR, including the right to complain to a data protection authority.

Lifetime access and refunds

Lifetime access means unlimited use of all calculator tools for as long as this website is operated, including tools added later. One license key can be activated on up to 5 browsers or devices.

If the calculator does not work as described, email us within 14 days of purchase and we will fix the problem or refund you.