Generate a strong, random password. Everything runs in your browser using a cryptographically-secure random generator — nothing is ever sent to a server.
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Entropy: 0 bits
Type or paste a password to estimate its strength. It is analysed locally in your browser and never sent anywhere.
Entropy: 0 bitsEst. crack time: —
How to choose a strong password
Length beats complexity — every extra character multiplies the work to crack it. Aim for 16+ characters.
Mix character types (upper, lower, numbers, symbols) to enlarge the search space.
Use a unique password per site, and store them in a password manager.
Avoid names, dictionary words, dates and keyboard patterns.
This tool runs 100% in your browser — no password is ever transmitted or stored.