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Debugger

Warning: JWTs are credentials, which can grant access to resources. Be careful where you paste them! We do not record tokens, all validation and debugging is done on the client side.

HEADER:ALGORITHM & TOKEN TYPE

PAYLOAD:DATA

VERIFY SIGNATURE

HMACSHA256(
  base64UrlEncode(header) + "." +
  base64UrlEncode(payload),
  
) 
RSASHA256(
  base64UrlEncode(header) + "." +
  base64UrlEncode(payload),
  ,
  
)

Libraries for Token Signing/Verification

Warning: Learn more about critical vulnerabilities in JSON Web Token libraries with asymmetric keys.
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Lindsay & Rudat
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Fleshman
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bryanjos
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yourkarma & lolgear
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Delphi logo

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EdDSA

PHP logo

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Minimum Version 2.0.0question mark icon

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Minimum Version 3.0.0question mark icon

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HS256

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ES256K

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PS512

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RS512

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ES256K

ES384

ES512

EdDSA

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Kotlin

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HS256

HS384

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PS384

PS512

RS256

RS384

RS512

ES256

ES256K

ES384

ES512

EdDSA

OCaml logo

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iat check

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HS256

HS384

HS512

PS256

PS384

PS512

RS256

RS384

RS512

ES256

ES256K

ES384

ES512

EdDSA

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CFML

Minimum Version CF11question mark icon

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exp check

nbf check

iat check

jti check

HS256

HS384

HS512

PS256

PS384

PS512

RS256

RS384

RS512

ES256

ES256K

ES384

ES512

EdDSA

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