This page explains, in plain words, what happens to your data when you use CodingMarble Calculator (calculator.codingmarble.com).
Your calculations stay on your device
Every calculator on this website runs inside your web browser. The numbers, dates and text you type – salary, loan amount, weight, period dates, passwords – are never sent to our server and are never stored by us. Close the tab and they are gone. You can see this for yourself: switch your phone or computer to flight mode after the page has loaded, and the calculators still work.
Two things do talk to the outside world: the currency converter downloads public exchange rates from open.er-api.com, and pages load fonts from Google Fonts. Neither request contains anything you typed.
What is saved in your browser
- Your chosen currency (₹, $, €, £, AED), so you do not have to pick it again. It stays in your browser's local storage and never reaches us.
- Notification permission, only if you allow notifications – see below.
You can clear both at any time from your browser settings.
Advertising and cookies
This site is free to use and is paid for by advertising. We show ads from Google AdSense. Google and its partners use cookies or similar technology to show and measure those ads, and Google may show ads based on your earlier visits to this or other websites. Where the law requires it, you are asked for consent before any such cookie is set.
- You can turn off personalised ads at adssettings.google.com.
- How Google uses data from sites that use its services is explained at policies.google.com/technologies/partner-sites.
- Ads are placed below the result and inside the article. We do not put ads inside the calculator, over the buttons, or as pop-ups.
Push notifications
Your browser may ask whether you want notifications from CodingMarble. This is always your choice. If you say no, nothing changes and every calculator works exactly the same. If you say yes, your browser gives us an anonymous subscription address so we can send an occasional update. You can turn it off any time in your browser's site settings, and no notification ever contains your calculations.
Server logs
Our web server keeps standard access logs – IP address, page requested, time and browser type – which help us keep the site secure and working. They are deleted after a short period and are not used to build a profile of you.
Children
This is a general tools website and is not aimed at children under 13. We do not knowingly collect information from them.
Your choices
You do not need an account to use anything here, and we never ask for your name, email or phone number. If you want anything explained or removed, write to us at support@codingmarble.com or through the contact page. How we build and check the calculators themselves is described on how we check every calculator.
Last updated 2026-10-14