Contact Us
We are happy to hear from you. The quickest way to reach us is by email:
What to include
- Bug reports: the page, what you did, what you expected and your browser and device.
- Tool suggestions: what you want to calculate or convert and why existing tools do not fit.
- Privacy requests: what you would like us to do. See also our Privacy Policy.
We usually reply within a few working days. We never ask for passwords or payment details by email.