Calculation inputs
Inputs are processed in your browser. These tools have no account system, input submission, analytics, advertising, or third-party scripts. It does not use cookies or local storage to retain your entries. Refreshing or leaving the page may discard them.
Clipboard and files
Copy buttons write the requested result to your clipboard after you click. Downloads are created locally in your browser and saved at your chosen location. The site does not read your clipboard or upload downloaded files. Your browser or operating system may retain its own clipboard and download history.
Hosting and external links
Your browser sends standard request data, such as IP address, browser type, and access time, to the server that serves the page. Calculation entries stay in your browser and are not included in these page requests. Official reference links and email links use external services with their own policies when you choose to open them.
Questions or changes
Email [email protected] with privacy questions. Any later addition of analytics, advertising, forms, or persistent storage requires an updated policy. Changes to data practices will be reflected on this page.