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tool_b64udec.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<meta http-equiv="X-UA-Compatible" content="chrome=1" />
<meta name="description" content="jsjws : pure JavaScript implementation of JSON Web Signature" />
<link rel="stylesheet" type="text/css" media="screen" href="stylesheets/stylesheet.css">
<title>Online Base64URL decoder</title>
<script language="JavaScript" type="text/javascript" src="jsrsasign-latest-all-min.js"></script>
<script language="JavaScript" type="text/javascript">
var _CONV = {
"b64utoutf8": b64utoutf8,
"b64utohex": b64utohex,
"b64utob64": b64utob64,
"b64toutf8": b64toutf8,
"b64tohex": b64tohex,
"hextoutf8": hextoutf8,
};
function doDecode() {
var s = document.form1.s_in.value;
var fname = document.form1.fromto.value;
var f = _CONV[fname];
if (f != null) {
document.form1.s_out.value = f(s);
} else {
alert("function not supported: " + fname);
}
}
</script>
</head>
<body>
<!-- HEADER -->
<div id="header_wrap" class="outer">
<header class="inner">
<h1 id="project_title">Online Base64URL decoder</h1>
<h2 id="project_tagline">Convert Base64URL, Base64 and Hex online to UTF-8 string.</h2>
</header>
</div>
<!-- MAIN CONTENT -->
<div id="main_content_wrap" class="outer">
<section id="main_content" class="inner">
<!-- now editing -->
<form name="form1">
<h4>(Step1) Fill a string to be decoded.</h4>
<textarea name="s_in" rows="10" cols="100">eyAibXNnX2VuIjogIkhlbGxvIiwKICAibXNnX2pwIjogIuOBk-OCk-OBq-OBoeOBryIsCiAgIm1zZ19jbiI6ICLkvaDlpb0iLAogICJtc2dfa3IiOiAi7JWI64WV7ZWY7IS47JqUIiwKICAibXNnX3J1IjogItCX0LTRgNCw0LLRgdGC0LLRg9C50YLQtSEiLAogICJtc2dfZGUiOiAiR3LDvMOfIEdvdHQiIH0</textarea>
<h4>(Step2) Convert String.</h4>
convert from to:
<select name="fromto">
<option label="Base64URL to UTF-8" value="b64utoutf8" selected/>Base64URL to UTF-8
<option label="Base64URL to Hexadecimal" value="b64utohex"/>Base64URL to Hexadecimal
<option label="Base64URL to Base64" value="b64utob64"/>Base64URL to Base64
<option label="Base64 to UTF-8" value="b64toutf8"/>Base64 to UTF-8
<option label="Base64 to Hexadecimal" value="b64tohex"/>Base64 to Hexadecimal
<option label="Hexadecimal to UTF-8" value="hextoutf8"/>Hexadecimal to UTF-8
</option>
<input type="button" value="Decode it" onClick="doDecode();"/><br/>
<hr>
<h2>Decoded Result</h2>
<textarea name="s_out" cols="100" rows="8"></textarea>
</form>
<!-- now editing -->
</section>
</div>
<!-- FOOTER -->
<div id="footer_wrap" class="outer">
<footer class="inner">
<p class="copyright">jsjws maintained by <a href="https://github.com/kjur">@kjur</a></p>
<p>Published with <a href="http://pages.github.com">GitHub Pages</a></p>
<div align="center" style="color: white">
Copyright © 2012 Kenji Urushima. All rights reserved.
</div>
</footer>
</div>
</body>
</html>