Useful
tools
Everything runs right here in your browser. What you paste never leaves this page — only DNS lookups go to Google Public DNS, Whois asks the domain or IP registry, My IP asks ipwho.is, and the calculator fetches exchange rates.
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Hash generator
MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of text or a file, computed in your browser. Paste an expected hash to check a download. Add a key for HMAC.