GWD.
dev
local
·
v0.1
·
greenwood-dev.com
// contact
// tools
chat
// ws
network
// tools
invoice
// pdf
expenses
// tracker
crypto
// tools
api tester
// http
sql playground
// sqlite
dev tools
// utils
cryptography
Crypto
Hash
AES
JWT
RSA
MD5 · SHA-1 · SHA-256 · SHA-512 via server | HMAC-SHA256 · HMAC-SHA512
Input text
// hash
HMAC
Message
Secret key
Algorithm
HMAC-SHA256
HMAC-SHA512
// sign
AES-256-GCM · PBKDF2-SHA256 · 100k iterations · random salt + IV · browser WebCrypto
encrypt
decrypt
Plaintext
Passphrase
// encrypt
copy output
Ciphertext
client-side base64url decode · no data leaves your browser
JWT Token
// decode
header
payload
signature (base64url)
key pair
RSA-PSS · 2048-bit · SHA-256 · browser WebCrypto · keys never leave your device
// generate key pair
Public key (SPKI · base64)
Private key (PKCS8 · base64) — keep secret
sign
Message
Private key (PKCS8 · base64)
// sign
copy signature
Signature (base64)
verify
Message
Signature (base64)
Public key (SPKI · base64)
// verify