Enter text or upload a file to compute common cryptographic hashes locally in your browser, nothing is uploaded.
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Enter text or upload a file to compute common cryptographic hashes locally in your browser, nothing is uploaded. Common questions — like is md5 or sha-1 safe to use for passwords — are answered in the FAQ below.
Add your input to the workspace above, review the result, then copy or download it when it's ready. No account or installation is required.
Hash Generator runs in your browser, so the information you enter stays on your device instead of being uploaded to a server.
A few worked examples so you know what to expect before you paste in your own input.
Input
hello
Output
2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824
Input
(empty string)
Output
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Input
abc
Output
ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad
MD5 and SHA-1 are broken for security. Compare MD5, SHA-1, SHA-256, and SHA-512 — speed, collision risk, and which to actually use.
What PEM and DER actually are, when to convert between them, and how to decode an X.509 certificate's subject, issuer, and validity without OpenSSL memorization.
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