Security & Encoding tools

AES Encryptor / Decryptor

Encrypt or decrypt text with AES-256-GCM and a passphrase.

Argon2 Hash Generator

Generate Argon2id password hashes with configurable parameters.

Bcrypt Hash Generator

Hash a password with Bcrypt or verify a hash.

HMAC Generator

Compute keyed HMAC signatures (SHA-1, SHA-256, SHA-384, SHA-512).

JWT Generator

Build a signed-token preview from JSON header and payload data.

MD5 Hash Generator

Compute the MD5 hash of any text.

Password Generator

Generate strong, cryptographically-random passwords.

Password Strength Checker

Estimate password entropy and strength in real time.

PGP Encrypt / Decrypt

Work with armored PGP-style text payloads in-browser.

QR Code Scanner / Decoder

Decode QR code images back to text.

ROT13 / Caesar Cipher

Encode or decode ROT13 and simple Caesar-shift text.

RSA Key Pair Generator

Generate a fresh RSA public + private key pair (PEM).

SHA Hash Generator

Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text.

SSH Key Generator

Generate RSA or Ed25519 SSH key material for testing.

SSL Certificate Decoder

Paste a PEM-encoded SSL certificate to inspect its fields.

TOTP Code Generator

Generate a 6-digit Time-based One-Time Password (RFC 6238).

UUID to Bytes Converter

Convert UUID values to byte-array notation.