// base64 · base32 · hex · url · utf-8
The same bytes, written another way — nothing here hides or protects anything, and every step is reversible by anyone. Conversion runs as you type.
url is RFC 3986, where a space is %20 and + is a literal plus;
url-form is what an HTML form sends, where a space is +. Reading one as the
other is the classic way a+b turns into a b.