JWT 디코더
ValidExpired
JWT Token
Decoded
HEADERAlgorithm & Token Type
{
  "alg": "HS256",
  "typ": "JWT"
}
PAYLOADData
{
  "sub": "1234567890",
  "name": "홍길동",
  "role": "admin",
  "iat": 1516239022,
  "exp": 1734000000
}
SIGNATUREVerify Signature
signature