Crypto / Security
Hashes, AES, JWT decode, passwords, and UUIDs.
Hash Generator
MD5, SHA-1, SHA-256, and SHA-512 digests.
Crypto / SecurityAES Encrypt / Decrypt
Encrypt and decrypt text with a passphrase (AES).
Crypto / SecurityJWT Decoder
Decode JWT header and payload. Does not verify signatures.
Crypto / SecurityPassword Generator
Generate strong random passwords and secrets.
Crypto / SecurityUUID Generator
Generate UUID v4 identifiers.
Crypto / SecurityNano ID Generator
Generate compact unique IDs.
Crypto / SecurityHMAC Generator
Create HMAC digests with a secret key.
Crypto / SecurityRandom Byte Generator
Generate cryptographically secure random bytes.
Crypto / SecurityPassword Strength Meter
Estimate password strength with transparent heuristics.
Crypto / SecuritySecret Redactor
Mask common credentials and tokens in logs.
Crypto / SecurityCSP Builder
Build a Content Security Policy from common directives.
Crypto / SecuritySRI Hash Generator
Generate SHA integrity attributes from pasted content.
Crypto / SecurityAES-GCM Encrypt / Decrypt
Use Web Crypto authenticated encryption locally.
Crypto / SecurityJWT HS256 Verifier
Verify an HS256 token with a supplied secret.
Crypto / SecurityUUID / ULID Generator
Generate UUID v1-like, v4, v5, and ULID identifiers.
Crypto / SecurityFile Hash Calculator
Calculate SHA-256, SHA-384, and SHA-512 for a local file.
Crypto / Security