Almost nothing. All calculators on Calcounter run entirely in your browser — the numbers you type never leave your device and are never sent to our servers.
If you use the AI Assistance chat, your questions are sent to our AI provider to generate answers. We do not store your conversations.
We use a small number of cookies to remember your language preference. When advertising is enabled, Google AdSense and its partners may use cookies to serve personalised ads. You can learn how Google uses data here: Google's advertising policies.
We may use privacy-friendly analytics to understand which pages are popular. This data is aggregated and never sold.
Questions about this policy? Reach us via the contact page.
