CRX id
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Description from extension meta
Use Jwt Decoder if you don’t know how to decode JWT. Fast data decoding lets you check JSON Web Tokens. Parse JWT claims easily.
Image from store
Description from store
❓Looking for a reliable and secure way to decode json web security data in your browser? This Jwt Decoder Chrome Extension is the perfect tool for developers, testers, and security professionals who work with json web tokens on a daily basis. Whether you’re debugging, learning, or just exploring, our jwt decoder helps you understand and decode data effortlessly.
📔 Key Features
- Jwt decoder capability with zero configuration
- Clear display of jwt claims including expiration, subject, and roles
- Highlighted formatting for jsonwebtoken decode analysis
- Built-in safety — no server requests, fully client-side
- Supports all standard and custom claim types
🔒 Unlike random online tools for decode json web token online, this decoder runs entirely in your browser. No data is sent over the network. It ensures complete privacy while allowing you to view and inspect jsonwebtoken payloads, headers, and signatures.
✅ Simple decoder
✅ Secure jwt decoder
✅ Fast
📐 Use Cases
1️⃣ Decode bearer token from Auth header from API responses during development and testing
2️⃣ Debug login sessions with complex json web token in modern authentication systems
3️⃣ Jwt decoder parses structures during penetration testing and security vulnerability assessments
4️⃣Inspect authentication data and troubleshoot integration issues efficiently
5️⃣ Validate signature structures with json web signature decode in various token formats
💎 Why Use Our JWT Decoder Extension?
🔸 It’s fast, with instant parsing of any json authentication string
🔸 It’s private — all decoding happens locally
🔸 It’s perfect for learning about json web tokens
🔸 It helps understand token expiration, user roles, and scopes
🔸 It shows the structure of a jsonwebtoken in a clean format
🖥️ Ideal for Developers and Testers
This extension is designed for developers and security professionals who need to quickly inspect, debug, and analyze encoded data structures. It offers a fast and secure way to view claims, headers, and payloads directly in the browser, without sending any information online.
If you're working with REST APIs, OAuth2, or OpenID Connect, you’ve definitely come across a json web token. This token decoder simplifies your workflow by letting you:
🔹Debug authorization flows
🔹Extract and inspect claims
🔹Learn about decoding jwt without writing any complex code
🔹Understand json web tokens in real time
🔹Save valuable time by instantly decoding and verifying data locally.
📈 More Than Just a Viewer
This is more than a json viewer — it’s a jwt decoder with powerful capabilities for professionals:
➤ Recognizes and highlights common web tokens fields
➤ Jwt decoder enables safe jsonwebtoken analitics for any team
➤ Works with token decoder libraries and integrations
👍 Why Developers Trust This Tool
❤️ Clean and intuitive interface
❤️ Great for learning how to decode jwt token
❤️ Enhances productivity with quick parse jwt access
❤️ Visual breakdown of decoded json payload and claims
🛡️ Safe, Local, Reliable
Every time you use this jwt decoder, you can be confident that your data remains private. The extension performs all decoding jwt token actions right in the browser, without needing external APIs or servers.
No uploads. No accounts. No worries. Ultimate timesaver
🔬 How Decoder Works
🔦 It’s easy to get started with jwt decoder:
1. Open browser developers tools
2. Configure Header name and prefix if needed
3. Initiate request sending
4. Instantly view the json web token breakdown
You’ll see the standart claims, the header, and the signature, all formatted in a user-friendly interface. This tool makes complex authentication data readable and useful in real-world scenarios.
🧐 Popular Questions Answered
📌 How to decode encoded authentication data?
💡 Just paste the token into the Jwt decoder extension and get an instant breakdown of the json web token structure.
📌 Is it safe to use jwt decode online?
💡 Yes. Since this tool works locally, you can decode jwt token online without sending any data over the internet.
📌 Is it compatible with all jwt formats?
💡 Absolutely. It supports all standard json token formats and even non-standard claim fields.
⬇️ Install and Start Decoding Today
There’s no better way to explore, test, and decode jwt token online than with this extension. Whether you’re a beginner learning about json web tokens, or a pro working with jwt parser tools daily, this jwt decoder is the only tool you’ll need.
Install it now and take control of your tokens
Latest reviews
- (2025-08-12) Nitin Jain: Very nice and convenient extension to speed up the debugging process!!
- (2025-08-12) Aleksei Morozov: Very convenient! Much easier than copy-pasting encoded content to a website.
- (2025-08-11) Ihor Konobas: Great tool! Simplifies debugging so much! Highly recommend
- (2025-08-08) Victor Lytsus: Seems like a great tool that saved many hours of debugging. I can easily check my authentication without diging deeply into to logs. Also helps to all testers of my team to test differnt security roles and permissions.