-})(window,document,'script','dataLayer','GTM-PT2SNS');</script><!-- End Google Tag Manager —>--><nav class="navbar closed"><div class="container"><div class="top-mobile"><div class="menu-trigger"><span></span></div><a href="/" class="brand"><img src="/img/pic_logo.svg" class="icon"><img src="/img/logo.svg" class="logo"></a></div><nav class="menu"><a href="#debugger-io" class="scrollto">Debugger</a><a href="#libraries-io" class="scrollto">Libraries</a><a href="/introduction">Introduction</a><a href="https://ask.auth0.com/category/jwt" target="_blank">Ask</a><a href="http://swag.auth0.com/" target="_blank">Get a T-shirt!</a></nav><div class="social"><a href="https://auth0.com/" target="_blank" class="a0"><img src="/img/ico_a0_white.svg"></a><a href="https://twitter.com/auth0" target="_blank" class="twitter"><img src="/img/ico_twitter.svg"></a></div><a href="https://auth0.com/" target="_blank" class="supported">Supported by<img src="/img/ico_logo.svg"></a></div></nav><section class="banner-jwt"><div class="container"><a href="/" class="logo"><img src="/img/pic_logo.svg"></a><p>JSON Web Tokens are an open, industry standard <a href="https://tools.ietf.org/html/rfc7519" target="_blank">RFC 7519</a> method for representing claims securely between two parties.</p><p>JWT.IO allows you to decode, verify and generate JWT.</p><a href="/introduction" class="btn btn-lg">Learn more about jwt</a></div></section><section class="update-site"><svg width="32px" height="32px" viewbox="0 0 32 32" version="1.1" class="paper"><g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage"><g id="32px" sketch:type="MSLayerGroup" transform="translate(-805.000000, -2193.000000)" fill="#373A39"><path id="Fill-529" d="M835,2221 C835,2222.1 834.104,2223 833,2223 L809,2223 C807.896,2223 807,2222.1 807,2221 L807,2197 C807,2195.89 807.896,2195 809,2195 L833,2195 C834.104,2195 835,2195.89 835,2197 L835,2221 L835,2221 Z M833,2193 L809,2193 C806.79,2193 805,2194.79 805,2197 L805,2221 C805,2223.21 806.79,2225 809,2225 L833,2225 C835.209,2225 837,2223.21 837,2221 L837,2197 C837,2194.79 835.209,2193 833,2193 L833,2193 Z M828,2203 L814,2203 C813.447,2203 813,2203.45 813,2204 C813,2204.55 813.447,2205 814,2205 L828,2205 C828.552,2205 829,2204.55 829,2204 C829,2203.45 828.552,2203 828,2203 L828,2203 Z M828,2209 L814,2209 C813.447,2209 813,2209.45 813,2210 C813,2210.55 813.447,2211 814,2211 L828,2211 C828.552,2211 829,2210.55 829,2210 C829,2209.45 828.552,2209 828,2209 L828,2209 Z M828,2215 L814,2215 C813.447,2215 813,2215.45 813,2216 C813,2216.55 813.447,2217 814,2217 L828,2217 C828.552,2217 829,2216.55 829,2216 C829,2215.45 828.552,2215 828,2215 L828,2215 Z" sketch:type="MSShapeGroup"></path></g></g></svg><strong>NEW! </strong><span>JWT.IO gets a refresh! New logo, new website and more.</span><a href="https://auth0.com/blog/2015/07/21/jwt-json-webtoken-logo/" target="_blank">Learn More<svg height="48" viewbox="0 0 48 48" width="48" xmlns="http://www.w3.org/2000/svg"><path d="M-838-2232H562v3600H-838z" fill="none"></path><path d="M16 10v28l22-14z"></path><path d="M0 0h48v48H0z" fill="none"></path></svg></a></section><section id="debugger-io" class="debugger-jwt"><div class="container"><h1>Debugger</h1><div class="jwt-playground"><div class="algorithm"><span>Algorithm</span><div class="hide"><label><input type="radio" name="algorithm" value="HS256" checked=""></label><label><input type="radio" name="algorithm" value="RS256"></label></div><div class="jwt-select"><select><option name="algorithm" value="HS256" selected="">HS256</option><option name="algorithm" value="RS256">RS256</option></select></div></div><div class="algorithm-code"><div class="tab-nav"><div class="tab-link current"><a href="#encoded-jwt">Encoded<small>paste a token here</small></a></div><div class="tab-link"><a href="#decoded-jwt">Decoded<small>edit the payload and secret (only HS256 supported)</small></a></div></div><div class="tab-content"><div id="encoded-jwt" class="box-content current"><div class="input js-input"></div></div><div id="decoded-jwt" class="box-content"><div class="output"><div class="jwt-explained jwt-header"><p class="text-line">HEADER:<span>ALGORITHM & TOKEN TYPE</span></p><div class="js-header"></div></div><div class="jwt-explained jwt-payload"><p class="text-line">PAYLOAD:<span>DATA</span></p><div class="js-payload"></div></div><div class="jwt-explained jwt-signature"><p class="text-line">VERIFY SIGNATURE</p><pre class="pre-encode HS256">HMACSHA256(
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