Last updated: June 22, 2026
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How long until I get a reply?
Most messages are answered within 24 to 48 hours on business days. Bug reports about wrong calculations are prioritised and usually answered the same day.
Is it free to request a new tool?
Yes. New calculators and generators are built based on community demand. Send the idea through the form and describe what you would use it for.
What should I include in a bug report?
The tool name, the exact values you entered, the result you expected, and the result you actually got. A screenshot and your browser name help us reproduce it faster.
Where is my data stored when I use a tool?
Tool inputs are processed in your browser and, where needed, saved to your local browser storage. We do not record or store those inputs on our servers.
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