We are a small team in India that builds free online tools. If something is wrong, confusing or missing, please tell us – it is the fastest way for the site to get better.
Email us
Write to support@codingmarble.com. We read every message and usually reply within two or three working days.
What helps us fix things faster
- Which calculator you were using – the page address is enough, for example /emi-calculator/.
- What you entered and what answer you expected.
- Your device: phone or computer, and which browser.
What you can write to us about
- A result that looks wrong, or a formula or tax rule that has changed.
- A calculator you wish existed on the site.
- Something that is hard to use, hard to read, or broken on your phone.
- Anything about privacy, ads or notifications – see the privacy policy.
About the rest of our tools
CodingMarble Calculator is part of CodingMarble, which also makes LovePDF, LoveImage, QR Code Generator, BioData & Resume Maker, Typing Test, Kids Learning Games, Workout Planner, Yoga at Home. The same email reaches us for all of them.