JWT for Beginners, Plus Where to Store It Safely
📰 Dev.to · Mohamed Idris
Learn the basics of JSON Web Tokens (JWT) and how to store them safely in a browser
Action Steps
- Learn the basics of JWT and its components
- Understand the problem of user authentication before JWT
- Discover how JWT works and its benefits
- Implement JWT in your web application using a library like jsonwebtoken
- Store JWT safely in the browser using techniques like HttpOnly cookies or token storage services
Who Needs to Know This
This article is useful for web developers, especially those working on login pages or authentication systems, as it explains the basics of JWT and how to store them securely
Key Insight
💡 JWT is a compact, URL-safe means of representing claims to be transferred between two parties, and storing it safely is crucial to prevent security breaches
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🔒 Learn about JSON Web Tokens (JWT) and how to store them safely in a browser! 📚
Key Takeaways
Learn the basics of JSON Web Tokens (JWT) and how to store them safely in a browser
Full Article
Title: JWT for Beginners, Plus Where to Store It Safely
URL Source: https://dev.to/edriso/jwt-for-beginners-plus-where-to-store-it-safely-2ef6
Published Time: 2026-05-07T09:23:11Z
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# JWT for Beginners, Plus Where to Store It Safely - DEV Community
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[Mohamed Idris](https://dev.to/edriso)
Posted on May 7
# JWT for Beginners, Plus Where to Store It Safely
[#webdev](https://dev.to/t/webdev)[#javascript](https://dev.to/t/javascript)[#beginners](https://dev.to/t/beginners)[#security](https://dev.to/t/security)
If you have ever built a login page, you have probably heard of JWT. People throw the word around like everyone knows what it means. This post explains it from zero, with examples you can read and follow, and ends with the safest way to store one in the browser.
No prior knowledge needed. Just basic web stuff: HTML, JavaScript, and the idea that a server sends responses to a browser.
## [](https://dev.to/edriso/jwt-for-beginners-plus-where-to-store-it-safely-2ef6#the-problem-we-had-before-jwt) The Problem We Had Before JWT
Imagine you build a website with a login form. The user types email and password, your server checks them, and the user is now logged in.
Here is the question: when that user cli
URL Source: https://dev.to/edriso/jwt-for-beginners-plus-where-to-store-it-safely-2ef6
Published Time: 2026-05-07T09:23:11Z
Markdown Content:
# JWT for Beginners, Plus Where to Store It Safely - DEV Community
[Skip to content](https://dev.to/edriso/jwt-for-beginners-plus-where-to-store-it-safely-2ef6#main-content)
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[Mohamed Idris](https://dev.to/edriso)
Posted on May 7
# JWT for Beginners, Plus Where to Store It Safely
[#webdev](https://dev.to/t/webdev)[#javascript](https://dev.to/t/javascript)[#beginners](https://dev.to/t/beginners)[#security](https://dev.to/t/security)
If you have ever built a login page, you have probably heard of JWT. People throw the word around like everyone knows what it means. This post explains it from zero, with examples you can read and follow, and ends with the safest way to store one in the browser.
No prior knowledge needed. Just basic web stuff: HTML, JavaScript, and the idea that a server sends responses to a browser.
## [](https://dev.to/edriso/jwt-for-beginners-plus-where-to-store-it-safely-2ef6#the-problem-we-had-before-jwt) The Problem We Had Before JWT
Imagine you build a website with a login form. The user types email and password, your server checks them, and the user is now logged in.
Here is the question: when that user cli
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