JWT Decoder

Paste a JWT string to read its header and payload as pretty JSON and inspect exp, iat, and nbf values.

This version focuses on decoding only.

Signature verification is not included yet.

JWT input / edit

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6Ik9wZW5DbGF3IiwiaWF0IjoxNzEwMDAwMDAwLCJleHAiOjE3MTAwMDM2MDB9.signature

Decode only. Signature verification is not included yet.

Decoded

Paste a JWT to decode its header and payload immediately.

Header

{
  "alg": "HS256",
  "typ": "JWT"
}

{
  "sub": "1234567890",
  "name": "OpenClaw",
  "iat": 1710000000,
  "exp": 1710003600
}

iat

Unix: 1710000000

KST: 2024. 3. 10. 오전 1:00:00

ISO: 2024-03-09T16:00:00.000Z

exp

Unix: 1710003600

KST: 2024. 3. 10. 오전 2:00:00

ISO: 2024-03-09T17:00:00.000Z

Pretty-print header and payload

Interpret exp / iat / nbf timestamps

Copy each decoded section

Does it verify signatures?

Not yet. This version is focused on decoding the token content.

How are times displayed?

Time claims are shown in ISO and Asia/Seoul time.