Contact

Thank you for using Kurashi Tools. Questions, requests and bug reports are welcome in English or Japanese.

How to reach us

When you write

Please describe your question or problem as specifically as you can.
For bug reports, include the browser and operating system you were using.
Replies can take a few days.

Requesting a new tool

If there is a calculator or converter that would make life in Japan easier for you, let us know. Requests help decide which tools are built or translated next.