What is JSON Web Tokens?

Inspecting, validating, verifying, and generating JSON Web Tokens without building custom tooling. It is catalogued under API design, testing & docs on PulseGate.

Who is JSON Web Tokens for?

JSON Web Tokens is a B2B product built for developers working with authentication and authorization systems.

Does JSON Web Tokens have a free plan?

Yes — JSON Web Tokens is free to use.

What platforms does JSON Web Tokens run on?

JSON Web Tokens runs on the web, the command line, and embeddable surfaces.

Is JSON Web Tokens still maintained?

Unverified. JSON Web Tokens has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to JSON Web Tokens?

Similar projects tracked by PulseGate include Free JWT Decoder, JWT Decoder & Verifier, and JWT (JSON Web Token) Analyzer.

Who makes JSON Web Tokens?

JSON Web Tokens is developed by Auth0.

How long has JSON Web Tokens been around?

JSON Web Tokens first shipped in 2026.

Back to the index

JSON Web Tokens

Name: JSON Web Tokens
Author: Auth0

jwt.ioAPI design, testing & docs

JWT Debugger is a browser-based tool for decoding, validating, verifying, and generating JSON Web Tokens. Developers can inspect token headers and claims, verify signatures with a secret, and copy encoded or decoded values.

FreeWebCLIEmbeddable

Visit jwt.io

16stars

8forks

8features

2026since

Overview

8 features

JSON Web Tokens sits in PulseGate's API design, testing & docs category. Inspecting, validating, verifying, and generating JSON Web Tokens without building custom tooling. JSON Web Tokens is a B2B product aimed at developers working with authentication and authorization systems. JSON Web Tokens costs nothing to use. It runs on the web, the command line, and embeddable surfaces.

Auth0 builds and maintains JSON Web Tokens, and it first shipped in 2026. Development happens publicly on GitHub with 16 stars. Among its 8 catalogued features are JWT decoding, JWT encoding, and signature verification.

Summary written by a language model from the project’s public pages.

JWT decoding
JWT encoding
Signature verification
Claims inspection
Header inspection
Secret validation
Example token generation
Copy token values

Built with & integrations

Framework

Next.js

Hosting

VercelCloudflare

Auth

auth0okta

Runs on

BrowserCLIEmbeddable

Detected from

okta: .okta in the HTML
auth0: .auth0 in the HTML
Next.js: x-powered-by header · /_next/static/ in the HTML · __next_f in the HTML
Vercel: x-vercel-id header · x-vercel-cache header
Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

Verified signals

HTTPSFree tierGitHub · ★ 16Store-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 01:47 UTC
JWT Debugger verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about JSON Web Tokens

What is JSON Web Tokens?: Inspecting, validating, verifying, and generating JSON Web Tokens without building custom tooling. It is catalogued under API design, testing & docs on PulseGate.
Who is JSON Web Tokens for?: JSON Web Tokens is a B2B product built for developers working with authentication and authorization systems.
Does JSON Web Tokens have a free plan?: Yes — JSON Web Tokens is free to use.
What platforms does JSON Web Tokens run on?: JSON Web Tokens runs on the web, the command line, and embeddable surfaces.
Is JSON Web Tokens still maintained?: Unverified. JSON Web Tokens has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to JSON Web Tokens?: Similar projects tracked by PulseGate include Free JWT Decoder, JWT Decoder & Verifier, and JWT (JSON Web Token) Analyzer.Free JWT Decoder JWT Decoder & Verifier JWT (JSON Web Token) Analyzer
Who makes JSON Web Tokens?: JSON Web Tokens is developed by Auth0.
How long has JSON Web Tokens been around?: JSON Web Tokens first shipped in 2026.

At a glance

Platforms: Web · CLI
Languages: English
Open source: Yes · ★ 16
First seen: 9 Sept 2026
Built for: developers working with authentication and authorization systems
Model: B2B
Solves: Inspecting, validating, verifying, and generating JSON Web Tokens without building custom tooling.

Registered as

GitHub: jsonwebtoken/jwt-skills
Firefox Add-ons: jwtio-debugger

Developer

Auth0

Solo developer

GitHub

Open source

View on GitHub

Stars: 16
Forks: 8
Open issues: 0
Last commit: 7 Apr 2026
Commits 90d: 0
Contributors: 1
Authorship: Solo
Default branch: main

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: jwt-debugger-jwt-io
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://jwt.io/

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