Security tools
Free online security and hash tools
7+ tools
Hash Generator
Security
MD5, SHA-1, SHA-256, SHA-384, or SHA-512 of UTF-8 text. Hex or Base64. Compare a known digest.
OpenHTTP Basic Auth
Security
Build or parse an Authorization: Basic header from a username and password.
OpenCaesar Cipher
Security
Shift Latin letters by a chosen amount. ROT13 is shift 13.
OpenJWT Debugger
Security
Decode, encode, and verify a JSON Web Token in this tab.
OpenHMAC Generator
Security
Generate or verify HMAC-SHA1 through HMAC-SHA512 in this tab. Hex or Base64. The secret stays on this device.
OpenFile Hash
Security
MD5, SHA-1, SHA-256, SHA-384, or SHA-512 of a local file. Compare a known digest. Nothing is uploaded.
OpenPassword Strength
Security
Check length, character mix, common patterns, entropy, and a crack-time estimate.
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