Encode and decode BASE32 in JavaScript.
https://rwadada.github.io/base32/test.html
Load library
<script src="https://rwadada.github.io/base32/Base32.js"></script>Encode
var passphrase = 'hogehoge';
var base32_str = base32_encode(passphrase);Decode
var passphrase = base32_decode(base32_str);