Cryptography

All tools
List of tools tagged as Cryptography
Diceware Passphrase Generator
Generate a Diceware passphrase from EFF long-list rolls, then check entropy, manual dice evidence, length limits, and site policy fit.
File Hash Generator
Hash a local file in your browser, compare SHA-2, SHA-3, MD5, SHA-1, or RIPEMD-160 digests, and export a session ledger for checks.
HMAC Generator
Generate HMAC signatures in your browser from text or local files, then compare expected headers with SHA choices and byte encodings.
Hash Type Identifier
Check pasted hashes or local text files for likely formats, cleanup warnings, confidence labels, ambiguity clues, and CSV or JSON evidence.
JWK To PEM Converter
Convert JWK or JWKS JSON into SPKI public or PKCS#8 private PEM, with local validation, thumbprints, and clear key-family checks.
RSA Keys Converter
Convert RSA PEM keys between PKCS#1, PKCS#8, encrypted private, and public wrappers with local parsing, fingerprints, and export checks.
Secure Password Generator
Generate account-ready passwords in your browser, tune character rules, and compare entropy, crack-time, zxcvbn strength, and history.
Text Encryptor & Decryptor
Encrypt or decrypt small text in your browser with AES-GCM, Argon2id or PBKDF2, portable envelopes, integrity checks, and byte-size evidence.