Contact us

Found a bug? Have an idea for a new tool? We would love to hear from you — we read every message.

The fastest way to reach us is email

We typically reply within one to two business days.

What can we help with?

Suggest a new tool

Missing a calculator, converter or generator you use all the time? Tell us what it should do and we will consider it for the next batch of releases.

Report a bug

Spotted a wrong result or something that does not work on your device? Include the tool name, what you entered and what you expected — that helps us fix it fast.

General feedback

Ideas to make a tool easier to use, confusing wording, or anything else on your mind. Short or long, every message gets read.

Business & partnerships

For advertising, content collaborations or other business inquiries, drop us a line and we will get back to you.

Before you write — quick answers

All tools are free. There is no premium tier, no account and no usage limit — nothing to unlock.
Your data stays private. Calculators and converters run in your browser; we do not store what you type. Details are in our privacy policy.
Looking for a specific tool? Browse the full collection on the all tools page — there is a search box at the top.