GetToolbox

JWT Decoder

Decode and inspect JWT tokens entirely in your browser — nothing is uploaded

Token

Paste your JWT here

API Reference

Decode JWT tokens programmatically

Endpoint: GET /api/v1/jwtdecoder?token=<jwt>

curl "https://gettoolbox.dev/api/v1/jwtdecoder?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIn0.dozjgNryP4J3jVmNHl0w5N_XgL0n3I9PlFUP0THsR8U"

Response

{
  "header": {
    "alg": "HS256",
    "typ": "JWT"
  },
  "payload": {
    "sub": "1234567890"
  },
  "algorithm": "HS256",
  "valid_structure": true,
  "expired": false,
  "not_yet_valid": null
}