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Share ideas for new tools or improvements to existing ones.
Bug Reports
Found something broken? Let us know and we'll fix it.
Questions
Ask about how our tools work or need help using them.
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The easiest way to reach us is by email. Click the button below to open your email client, or copy the address and write to us directly.
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Frequently Asked Questions
Are the tools really free?
Yes, all 102+ tools are completely free with no sign-ups, no paywalls, and no hidden fees. We sustain the site through non-intrusive advertising.
Is my data safe?
Absolutely. All calculations, conversions, and tool operations run entirely in your browser. No data is ever sent to our servers. Read our Privacy Policy for full details.
Can I request a new tool?
Yes! Send us an email with "Feature Request" in the subject line. We review all requests and prioritize based on demand.
I found a calculation error. How do I report it?
Please email us with "Bug Report" in the subject line. Include the tool name, the inputs you used, and the expected vs. actual result. We take accuracy very seriously and will investigate promptly.