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Debugger

Algorithm

HEADER:ALGORITHM & TOKEN TYPE

PAYLOAD:DATA

VERIFY SIGNATURE

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

Libraries for Token Signing/Verification

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Warning: Critical vulnerabilities in JSON Web Token libraries with asymmetric keys.Learn more

.NET

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ES256

ES384

ES512

.NET (RT)

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Python

Minimum Version 1.0.1

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Python

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Python

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Node.js

Minimum Version 4.2.2

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Java

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Java

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Java

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RS384

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ES512

Java

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JavaScript

Minimum Version 3.2.0

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Perl

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Ruby

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Lindsay & Rudat

Ruby

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Ruby

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Fleshman

Elixir

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Fleshman

Elixir

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bryanjos

Elixir

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hassox

Go

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HS256

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RS384

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ES256

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ES512

Go

Sign

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HS256

HS384

HS512

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RS384

RS512

ES256

ES384

ES512

Go

Sign

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HS256

HS384

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RS384

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ES256

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ES512

Haskell

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HS256

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Haskell

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HS256

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RS384

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ES256

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Rust

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Lua

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Scala

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Scala

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Scala

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D

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Clojure

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Objective-C

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yourkarma & lolgear

Swift

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HS256

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C

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HS256

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ES256

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kdb+/Q

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HS256

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ES256

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ES512

Delphi

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HS256

HS384

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RS384

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ES256

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ES512

PHP

Minimum Version 2.0.0

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HS256

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RS256

RS384

RS512

ES256

ES384

ES512

PHP

Minimum Version 2.2.0

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HS256

HS384

HS512

RS256

RS384

RS512

ES256

ES384

ES512

PHP

Minimum Version 3.0.0

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HS256

HS384

HS512

RS256

RS384

RS512

ES256

ES384

ES512

PHP

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HS256

HS384

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RS384

RS512

ES256

ES384

ES512

PHP

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iat check

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HS256

HS384

HS512

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RS512

ES256

ES384

ES512

PHP

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HS256

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RS512

ES256

ES384

ES512

Crystal

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HS256

HS384

HS512

RS256

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RS512

ES256

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ES512

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