--- title: JWT explained in 4 minutes (With Visuals) | daily.dev description: Explanation of JWT authentication, its structure, advantages, and disadvantages. canonical: https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: JWT explained in 4 minutes (With Visuals) | daily.dev og:description: Explanation of JWT authentication, its structure, advantages, and disadvantages. og:url: https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf og:image: https://api.daily.dev/og/posts/298cBBSYF.png og:image:alt: JWT explained in 4 minutes (With Visuals) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # JWT explained in 4 minutes (With Visuals) **[DEV](https://daily.dev/sources/devto)** · 3 min read · 427 upvotes · 11 comments ## Summary Explanation of JWT authentication, its structure, advantages, and disadvantages. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@javeley** · 2 upvotes > nice **@boscodomingo** · 2 upvotes > Loved the video. Succinct and to the point. I did however miss security implications in the pros and cons, as if someone manages to get a hold of a JWT they can impersonate that user for the duration of the JWT, hence why it's crucial to store them securely, set small validity times (minutes at most in the majority of cases) and only send them over encrypted connections. **@saniddhyadubey** · 1 upvotes > well explained! **@eyepatch5263** · 1 upvotes > Thanks for the detailed information **@rafnixg** · 0 upvotes > excellent explanation, everything very well detailed ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#webdev](https://daily.dev/tags/webdev), [#javascript](https://daily.dev/tags/javascript), [#authentication](https://daily.dev/tags/authentication), [#jwt](https://daily.dev/tags/jwt) [View this post on daily.dev](https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"JWT explained in 4 minutes (With Visuals)","url":"https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf"},"datePublished":"2024-02-26T08:00:02.883Z","dateModified":"2024-05-09T08:22:04.995Z","description":"Explanation of JWT authentication, its structure, advantages, and disadvantages.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/935e8920f7931a722b2f5d8688a9357f?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/935e8920f7931a722b2f5d8688a9357f?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"DEV","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"DEV","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/devto","url":"https://daily.dev/sources/devto"},"commentCount":11,"discussionUrl":"https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":427},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":11}],"keywords":"security,webdev,javascript,authentication,jwt","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"DEV","item":"https://daily.dev/sources/devto"},{"@type":"ListItem","position":3,"name":"JWT explained in 4 minutes (With Visuals)"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/jwt-explained-in-4-minutes-with-visuals--298cbbsyf","comment":[{"@type":"Comment","text":"nice","datePublished":"2024-03-06T08:18:32.789Z","url":"https://daily.dev/posts/298cBBSYF#c-prUZ9pHSr","author":{"@type":"Person","name":"javeleyQAQ","url":"https://daily.dev/javeley","image":"https://avatars.githubusercontent.com/u/132129852?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"Loved the video. Succinct and to the point. I did however miss security implications in the pros and cons, as if someone manages to get a hold of a JWT they can impersonate that user for the duration of the JWT, hence why it’s crucial to store them securely, set small validity times (minutes at most in the majority of cases) and only send them over encrypted connections.","datePublished":"2024-03-06T11:14:39.484Z","url":"https://daily.dev/posts/298cBBSYF#c-nRLSqc9fc","author":{"@type":"Person","name":"Bosco Domingo","url":"https://daily.dev/boscodomingo","image":"https://avatars.githubusercontent.com/u/46006784?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"well explained!","datePublished":"2024-03-14T08:07:13.198Z","url":"https://daily.dev/posts/298cBBSYF#c-OxSjfimGa","author":{"@type":"Person","name":"Saniddhya Dubey","url":"https://daily.dev/saniddhyadubey","image":"https://lh3.googleusercontent.com/a/ACg8ocItk80Sv2ypqHXbPah7VM7UCu52610Sr0NZqTw2rb8m=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"Thanks for the detailed information","datePublished":"2024-03-17T12:31:29.370Z","url":"https://daily.dev/posts/298cBBSYF#c-dqMeIMjEh","author":{"@type":"Person","name":"pratyush","url":"https://daily.dev/eyepatch5263","image":"https://lh3.googleusercontent.com/a/ACg8ocJX3EmM06iXYpFKutS65PQ8soug6-Qb-VNI1PKtPw2gd5yY=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"excellent explanation, everything very well detailed","datePublished":"2024-04-15T06:57:35.775Z","url":"https://daily.dev/posts/298cBBSYF#c-HtYpmJRxX","author":{"@type":"Person","name":"Rafnix Guzman","url":"https://daily.dev/rafnixg","image":"https://avatars2.githubusercontent.com/u/10915285?v=4"}}]} ```