base32.html

<script src="https://pluto-lang.org/wasm-builds/out/libpluto/0.9.5/libpluto.js"></script>
<script src="plutoscript.js"></script>

<textarea id="plain"></textarea>
<textarea id="encoded"></textarea>

<script type="pluto">
	document.getElementById("plain"):addEventListener("input", function()
		document.getElementById("encoded").value = require"base32".encode(document.getElementById("plain").value)
	end)
</script>