Security & Crypto

Convert text to hexadecimal byte representation

Encrypt text with AES-GCM

Compute SHA-1 digests

Generate ECDSA key pairs

Generate secure random passwords

Compute HMAC-SHA512 message authentication codes

Decode and inspect OAuth access/refresh tokens

Percent-encode text using standard encodeURIComponent encoding

Encrypt text with authenticated encryption

Compute CRC32 checksums

Decode Certificate Signing Requests in PEM format

Generate easy-to-remember passwords

Compute DJB2, SDBM, and FNV-1a hashes

Check JWT token expiration status

Decode binary strings of 0s and 1s back to readable ASCII/UTF-8 text

Decrypt AES-GCM ciphertext

Compute BLAKE2b hashes

Parse and analyze PEM-encoded data

Calculate password entropy in bits

Generate bcrypt password hashes

Analyze JWT tokens for expiry, format, and claims problems

Convert Base64 encoded strings back to plain text

Decrypt authenticated ciphertext

Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes at once

Generate Ed25519 signing key pairs

Validate password hash formats

Compute HMAC-SHA256 message authentication codes

Create RS256-signed JWT tokens with auto-generated RSA key pairs

Encode text to octal byte values or decode octal back to text

Decrypt RSA-OAEP ciphertext

Compute MD5 digests

Generate RSA-2048 and RSA-4096 key pairs

Generate secure random API keys

Derive cryptographic keys from passwords

Generate Fernet encrypted tokens

Convert ASCII/UTF-8 text to binary 0s and 1s

Encrypt text with RSA-OAEP

Compute xxHash32 non-cryptographic hashes

Compute SHA-256 and SHA-1 fingerprints of public keys

Generate secure random PINs

Verify passwords against bcrypt hashes

Decode Base64-encoded SAML assertions and responses to readable XML

Decode URL-safe Base64 encoded strings back to text

Compute SHA-3 (Keccak) digests

Decode and display certificate details from PEM format

Generate diceware-style passphrases

Decode JWT tokens into header, payload, and signature

Create data URIs from text content

Compute Adler-32 checksums

Convert and inspect JSON Web Keys

Analyze password security

Assemble JWT payload objects with standard RFC 7519 claims

Break down URL query strings into individual key-value pairs

Compute SHA-384 digests

Create HMAC-signed JWT tokens

Construct URL query strings from key-value pairs

Compute SHA-512 digests

Decode and inspect PASETO token structure

Break down URLs into protocol, host, path, query parameters

Detect hash types from a hash string

Convert numbers between any bases (2-36)

Compute SHA-256 digests

Encode text to URL-safe Base64 format

Compute MurmurHash3 32-bit hashes

Convert text to Base64 format

Compute RIPEMD-160 digests

Encode text to Base32 or decode Base32 back to text

Compute the Keccak-256 digest of text, using the original Keccak padding rather than the NIST-finalised SHA3-256, which is the version Ethereum uses for addresses, transaction hashes and function selectors

Construct URLs from individual components like protocol, host, path

Compute the SHA-224 digest of text, the truncated 224-bit member of the SHA-2 family that the Web Crypto API does not provide

Encode or decode text using Base62 alphanumeric encoding

Percent-encode every character including safe ASCII characters

Encode or decode text using Bitcoin-style Base58 encoding

Convert hexadecimal strings back to readable text

Decode percent-encoded (URL-encoded) strings back to readable text