Questions, bug reports, feature requests, or partnership inquiries — drop us a line at the email address below and we'll get back to you within two business days.
Click the address above to open your email client, or copy it to send from anywhere. We read every message and reply within two business days.
Tell us the page URL, the algorithm, the input you used (or its length if private), and what hash you expected vs. what we returned. Browser + OS helps too.
Which algorithm or feature you'd like added (SHA-3, BLAKE3, HMAC, batch file hashing, etc.) and the workflow you'd use it for.
Your site URL, monthly visitor estimate, and what kind of cross-promotion you have in mind. We're open to relevant developer-tool partnerships.
Anything else — design feedback, suggestions, typo reports, or just a hello. We appreciate the input.
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