← Back to games

03 · PASSWORD LAB

Password lab: how fast could it be cracked?

Type a test password and see how long a computer guessing ten billion times a second would need. Everything is computed in your browser — nothing is ever sent anywhere.

Type a test password to see the result

Time to crack (offline, 10¹⁰ guesses/s)—

Guessing through a login page (1,000/s)—

Entropy ≈ 0 bits · length 0

  • At least 12 characters — longer is better
  • Mixes upper/lower case, digits or symbols
  • No easy sequences or common words
  • Not a commonly leaked password (123456, password…)