Uses public SHA3 Secure Hashing Algorithm. There is no "unhash" function. Don't forget your phrase!
To see your text, mouseclick in the box and it will be revealed temporarily.
By "phrase" we mean a super secret LONG phrase with multiple words that only you can remember AND that you can actually remember ALWAYS!
This can be your login id, but ... whatever, as long as you can remember what you typed here next time.
Where or for what do you need this password? Bank, Google, Facebook etc.
Password text is scrunched up so you (and others standing behind you) can't see it normally. The text is auto selected when you enter the field (onfocus) for copy-paste purposes.