Cryptography

MD5 Hash

Generate MD5 hash from text input. WARNING: MD5 is cryptographically broken and should not be used for security purposes. It is still useful for checksums and non-security fingerprinting.

SHA-1 Hash

Generate SHA-1 hash from text input using Web Crypto API. WARNING: SHA-1 is deprecated for cryptographic use due to known collision attacks. It is still useful for checksums and non-security fingerprinting.

SHA-256 Hash

Generate SHA-256 hash from text input using Web Crypto API

SHA-384 Hash

Generate SHA-384 hash from text input using Web Crypto API

SHA-512 Hash

Generate SHA-512 hash from text input using Web Crypto API

SHA-3 Hash

Generate SHA-3 hash (Keccak) from text input

BLAKE2b Hash

Generate BLAKE2b hash from text input

RIPEMD-160 Hash

Generate RIPEMD-160 hash from text input

CRC32 Checksum

Generate CRC32 checksum from text input

Adler-32 Checksum

Generate Adler-32 checksum from text input

xxHash

Generate xxHash32 non-cryptographic hash from text input

MurmurHash3

Generate MurmurHash3 (32-bit) non-cryptographic hash from text input

Hash Identifier

Detect hash type from a hash string

Multi Hash

Generate multiple hash types at once from input text

HMAC-SHA256

Generate HMAC-SHA256 message authentication code

HMAC-SHA512

Generate HMAC-SHA512 message authentication code

PBKDF2

PBKDF2 key derivation function using Web Crypto API

Bcrypt Hash Generator

Generate bcrypt password hash using the bcryptjs library

Bcrypt Verifier

Verify a password against a bcrypt hash

AES-GCM Encrypt

Encrypt text using AES-GCM via Web Crypto API

AES-GCM Decrypt

Decrypt AES-GCM encrypted text via Web Crypto API

RSA-OAEP Encrypt

Encrypt text using RSA-OAEP via Web Crypto API

RSA-OAEP Decrypt

Decrypt RSA-OAEP encrypted text via Web Crypto API

ChaCha20-Poly1305 Encrypt

Encrypt text using ChaCha20-Poly1305 authenticated encryption (RFC 8439)

ChaCha20-Poly1305 Decrypt

Decrypt ChaCha20-Poly1305 authenticated ciphertext (RFC 8439)

RSA Key Generator

Generate RSA key pair using Web Crypto API

EC Key Generator

Generate Elliptic Curve key pair using Web Crypto API

Ed25519 Key Generator

Generate Ed25519 key pair using @noble/ed25519 elliptic curve library

PEM Parser

Parse and analyze PEM-encoded data

JWK Converter

Convert between JWK and other key formats

CSR Decoder

Decode Certificate Signing Request (CSR) in PEM format

X.509 Certificate Decoder

Decode and display X.509 certificate details from PEM format

Key Fingerprint

Calculate SHA-256 and SHA-1 fingerprints of a public key

Password Generator

Generate secure random passwords with configurable options

Passphrase Generator

Generate diceware-style passphrases from random words

Password Strength Analyzer

Analyze password strength with entropy calculation and crack time estimate

PIN Generator

Generate secure random PINs

Memorable Password Generator

Generate easy-to-remember passwords using word combinations

Password Hash Format Check

Check if a password hash string is in a valid format

Password Entropy Calculator

Calculate the information entropy of a password in bits

API Key Generator

Generate secure random API key strings

String Hash

Calculate various string hashes (DJB2, SDBM, FNV-1a)