Generate an emoji password

Random emoji from a real source of randomness, with the strength printed next to it — and a straight answer on where they break.

Password generator

Generating...

0 bits of entropy

What the number next to it means

Entropy is the size of the haystack, measured in bits. Each extra bit doubles the number of guesses an attacker has to make. This generator picks each emoji independently and uniformly from a set of 546, which is worth about 9.1 bits per emoji — against 5.2 bits for a random character drawn from lowercase letters plus digits, and 12.9 bits for a whole word drawn from the 7,776-word Diceware list.

That comparison only holds because these emoji are drawn at random rather than chosen. An emoji password you thought up yourself is worth far less: people reach for the same few dozen faces, hearts and hand signs, and whoever is guessing knows which ones.

6 emoji About 55 bits. Fine for a throwaway account, thin for anything that matters.
9 emoji About 82 bits. Past the point where offline guessing is worth an attacker's electricity.
12 emoji About 109 bits. More than the key length most systems protect the password with.

Where an emoji password breaks

This is the part most generators leave out, and it is the part that decides whether you should use one.

So: for an account you cannot afford to lose, use a password manager and let it generate a long random ordinary password. Reach for emoji where you type the secret yourself and control the field — and test the login once, immediately, while you still have a session open.

It is generated here, not fetched

Everything here happens on your own device. The emoji come from the same set as the emoji palette, the randomness comes from your own browser, and the password is never sent anywhere — there is nothing that could carry it away and nothing that keeps a copy. Privacy covers the rest of the site on the same terms.

Emoji are worth more when they are counted

A password is one use for the emoji set. The other is saying what you actually mean about a video, a post or a product, instead of picking the closest of the 2 buttons the site offers.