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    Tool requests & contact

    Send tool requests, improvement suggestions or questions to the address below, or prepare a request with the form.

    For a useful bug report, include the tool name, expected and actual result, browser version and a non-sensitive example. Never send personal records or confidential inputs.

    [email protected]

    Tell us what tool you need

    Is there a calculation or conversion you use often? Tell us the tool name, what you want it to do, and an example input and expected result. Improvements to existing tools are welcome too.

    Requests help us plan additions; we cannot promise every request will be built or a particular release date. Do not include confidential project or personal information.

    Open email draft

    This form prepares an email draft; it does not submit a request to a server. Finish sending in your email app. If no app opens, copy the request and email it to [email protected]