JSON Web Tokens - jwt.ioGet up-to-speed with JSON Web Tokens.Get the JWT Handbook for free Debugger Debugger Introduction Libraries Ask Get up-to-speed with JSON Web Tokens.Get the JWT Handbook for free Debugger Debugger Introduction Libraries Ask JSON Web Token (JWT) Debugger Decode, verify, and generate JSON Web Tokens, which are an open, industry standard RFC 7519 method for representing claims securely between two parties. DecoderJWT Decoder EncoderJWT Encoder Paste a JWT below that you'd like to decode, validate, and verify.Generate example Encoded Token Enable auto-focus JSON Web Token (JWT) JWT Copy Clear Valid JWT Signature Verified Decoded Header JSONJSONCopy Claims BreakdownClaims BreakdownCopy { "alg": "HS256", "typ": "JWT" } Decoded Payload JSONJSONCopy Claims BreakdownClaims BreakdownCopy { "sub": "1234567890", "name": "John Doe", "admin": true, "iat": 1516239022 } JWT Signature Verification(Optional) Enter the secret used to sign the JWT below: Base64URL Encoded Secret Secret Copy Clear a-string-secret-at-least-256-bits-long Valid secret Share feedback|Report issue { "sub": "1234567890", "name": "John Doe", "admin": true, "iat": 1516239022} Get the JWT HandbookLearn how JWT came to be and what problems it was designed to tackle. Download it today for free.Download Ebook Looking for a JWT library? Head on over to our libraries page to find a JWT library in your favorite language. See all libraries Get Started with JSON Web Tokens Securely implement authentication with JWTs using Auth0 on any stack and any device in less than 10 minutes. Create a free account Give your AI Agents JWT skills Use agent skills to decode, encode and validate JSON Web Tokens in your favorite agentic coding harness. See the skills Terminal Terminal Copy Install all skills $ npx skills add jsonwebtoken/jwt-skillsInstall a specific skill $ npx skills add jsonwebtoken/jwt-skills -s jwt-decode Debugger PRESENTED BY AUTH0Passkeys Playground WebAuthn Playground OIDC Playground SAML Tool LEGALPrivacy Policy Security Your Privacy Choices SOCIAL Your Privacy Choices Depending on your state of residence, including if you are a California resident, you have the right to opt out of certain sharing of personal information with third-party ad partners. We may share personal information with third-party ad partners, such as through cookies or by providing lists of email addresses for potential customers, so that we can reach them across the web with relevant ads. If you wish to opt out of this sharing of your personal data in connection with cookies, please update your cookie settings. If you wish to opt out of email-based sharing, provide your email address at this link. Copyright © 2026 Okta. All rights reserved.English