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We read every message and usually reply within a few business days.
Write to contact@mytoolmasters.com. For bug reports, please include the tool name, the values you entered and what you expected to happen.
Feedback widget
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Corrections and data sources
If you believe a formula or reference value is incorrect, send the source you rely on. We review credible corrections and update the tool when appropriate.
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For advertising, affiliate or content collaboration enquiries, use the same email address with a clear subject line.
Response time
We aim to answer within three business days. Messages about privacy or legal matters are prioritised.
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