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JSON Web Token

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

JSON Web Token

JSON Web Token Reviews and Details

This page is designed to help you find out whether JSON Web Token is good and if it is the right choice for you.

Screenshots and images

  • JSON Web Token Landing page
    Landing page //
    2023-08-19

Features & Specs

  1. Stateless

    Since JWTs are self-contained, they do not require server-side sessions, enabling stateless authentication and reducing server memory usage.

  2. Scalability

    JWTs can easily be used in distributed systems and microservices architectures due to their stateless nature, facilitating horizontal scaling.

  3. Decentralized Issuance

    Multiple issuers can create and sign their own tokens, allowing for more decentralized and flexible authentication mechanisms.

  4. Performance

    JWTs eliminate the need for database lookups during authenticating requests, as the token contains all the necessary information, which can lead to performance improvements.

  5. Cross-domain and Mobile Compatible

    JWTs are widely supported by different platforms and can easily be used in cross-domain situations and with mobile applications.

  6. Security

    JWTs can be signed and optionally encrypted, ensuring the authenticity and integrity of the data they carry.

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Videos

JSON Web Tokens Suck - Randall Degges (DevNet Create 2018)

JSON Web Tokens with Public Key Signatures

RFC 7519 JSON Web Token (JWT), Review

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about JSON Web Token and what they use it for.
  • I built 6 free dev tools to skip the signup walls โ€” here's what I learned
    You know that moment when you just want to decode a JWT, but jwt.io wants you to log in to "save your tokens"? Or when you need a quick curl command and Postman's 200MB Electron app feels like overkill? - Source: dev.to / about 2 months ago
  • How Broken Access Control Became OWASP's Top Security Risk
    JWT.io documentation emphasizes a common access control failure specific to token-based authentication: accepting role or permission claims from a JWT without verifying the token's signature. Tokens that can be modified by users without detection allow any user to claim any role. This is a vertical escalation vulnerability that's entirely preventable with correct token verification. - Source: dev.to / 3 months ago
  • How to Write Authorization Middleware for Express.js Applications
    See jwt.io for documentation on token verification. The critical point is that req.user must come from server-side verification, never from a header or body parameter that users can set themselves. - Source: dev.to / 3 months ago
  • JavaScript Awesome Package
    JSON Web Token - Standard RFC 7519 method for representing claims securely between two parties. - Source: dev.to / 5 months ago
  • 4 Days as an Autonomous AI Agent: What I Built, What Failed, What I Learned
    Jwt.io is objectively better than my JWT decoder. - Source: dev.to / 6 months ago
  • How to Integrate Google Authentication in ASP.NET Core
    Validate JWT signatures from Google using public keys. - Source: dev.to / 7 months ago
  • Never Put Sensitive Data in Your JWT Payload
    Registered claims is type of claims that already registered by jwt.io which recognized as a global standard. The example of registered claims are:. - Source: dev.to / 8 months ago
  • My first lines of code
    As a Technical PM, I often found myself needing quick, private online tools for tasks like JWT decoding, and JSON formatting. While existing solutions like Jam Dev Utilities and JWT.io are great, I wanted something that processed data entirely client-side, ensuring absolute privacy (nothing is sent to external servers). - Source: dev.to / 10 months ago
  • Connecting from EKS pods to MSK: Setting up IAM, service accounts, trust relationships, and security groups
    You can paste the output in jwt.io to decode it. It should look something like this, which shows the pod is associated with the default service account in the default namespace (see default:default):. - Source: dev.to / about 1 year ago
  • Access and Refresh Token Explained
    The key aspect of the separation between access and refresh tokens lies in the possibility of making access tokens easy to validate. An access token that carries a signature (such as a signed JWT) may be validated by the resource server on its own, without needing to contact the authorization server. - Source: dev.to / about 1 year ago
  • OAuth 2.0 Overview: How It Works and Why It Matters
    Access Token: A string representing the authorization granted to the client. Itโ€™s used by the client to access protected resources on the resource server. Access tokens are typically short-lived for security reasons (e.g., valid for an hour). They can be in various formats, with JSON Web Tokens (JWTs) being a popular choice. - Source: dev.to / about 1 year ago
  • OAuth or JWT? Everything Developers Need to Know in 2025
    โ€‹Security Considerations โ€ข JWT o Always use HTTPS to prevent token interception o Set short expiration times o Avoid storing sensitive data in the token โ€ข OAuth o Always validate redirect URIs o Implement proper token revocation o Consider using PKCE for public clients References โ€ข The Ultimate Guide to Implementing Authentication in JavaScript Applications โ€ข OAuth 2.0 โ€“ RFC 6749 โ€ข JWT.io โ€“... - Source: dev.to / about 1 year ago
  • Guide to JWT API Authentication
    Jwt.io is a great playground to get used to working with JWTs. - Source: dev.to / about 1 year ago
  • Verifying Cognito access tokens - Comparing three JWT packages for Lambda authorizers
    The Lambda authorizer code decodes and verifies the token, and its business logic determines whether the request should proceed to the backend or be denied. Cognito access tokens are JSON Web Tokens (JWTs), and to simplify our coding, we might opt for an external package to handle token verification. - Source: dev.to / over 1 year ago
  • Authentication and Authorization Best Practices in ASP.NET Core
    You can decode the created JWT token using JWT IO web site to see what's inside. - Source: dev.to / over 1 year ago
  • How To Use JWT Token In React JS
    JWT.io โ€“ A great resource to decode, verify, and generate JWT tokens. - Source: dev.to / over 1 year ago
  • 12 Must-Have Online Tools for Every Web Developer in 2025
    Category: Token Debugging & Authentication Link: jwt.io. - Source: dev.to / over 1 year ago
  • TryHackMe: JWT Security
    Once a token is returned, we can just decode the token using JWT.io. - Source: dev.to / over 1 year ago
  • ๐Ÿ” How to create an authentication system with JWT in a Node.js API
    You can inspect the token's payload on the JWT Website. - Source: dev.to / over 1 year ago
  • Zero Trust at the Edge (part 4)
    Rerunning the test script, we now see a third piece of information dumped, something that looks remarkably like a JWT. If you copy that token and drop it into https://jwt.io you should see your full token:. - Source: dev.to / over 1 year ago
  • How to authenticate a Flask API using JWT.
    Let's use the token to access the data in the private route. Open JWT.io and paste the token as shown below: Now we can access the data as shown above. - Source: dev.to / over 1 year ago

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Is JSON Web Token good? This is an informative page that will help you find out. Moreover, you can review and discuss JSON Web Token here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.