Is it safe to paste my JWT here?

Yes. The decoding happens entirely in your browser using JavaScript. No data is sent to any server.

Can this tool verify JWT signatures?

This tool decodes and displays JWT contents. For full signature verification, you need the signing secret or public key, which this tool does not require.

Is it safe to paste my JWT here?

Yes. The decoding happens entirely in your browser using JavaScript. No data is sent to any server.

Can this tool verify JWT signatures?

This tool decodes and displays JWT contents. For full signature verification, you need the signing secret or public key, which this tool does not require.

무료

JWT 디코더

JWT 토큰을 붙여넣어 헤더, 페이로드, 만료 상태를 검사합니다. 모든 것이 브라우저에서 실행됩니다.

100% 무료가입 불필요브라우저에서 실행

상태

유효

만료까지

1668d 23h

발행일

2960d 15h 전

헤더

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

페이로드

{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022,
  "exp": 1916239022
}

클레임

sub"1234567890"Subject

name"John Doe"

iat1516239022Issued At

exp1916239022Expiration Time

서명

4S2sL0bGMwFk3IGSbIOAsOGSYH_B5MddO1BDLl2Yb4E

이 도구는 브라우저에서 토큰을 디코딩합니다. 데이터는 서버로 전송되지 않습니다.

JWT Decoder 소개

Paste a JWT token to instantly decode and inspect its header, payload, and signature. View claims like expiration, issuer, and custom data. Everything runs in your browser — tokens are never sent to a server.

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모든 도구 보기

LaunchChat은 안전한 위젯 인증에 JWT를 사용합니다. 임베드 보안에 대해 자세히 알아보세요.

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