12 Character Password Generator
Generate strong and secure 12-character passwords using cryptographic randomness. Perfect for email, social media, and most online services.
Entropy
Crack Time
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Other Password Lengths
Need a custom length? Use our full password generator with a length slider from 4 to 128 characters.
12-Character Password FAQ
Is a 12-character password secure?
Yes, a 12-character password using all character types provides approximately 78 bits of entropy — strong security that would take billions of years to crack.
What should I use a 12-character password for?
A 12-character password is best suited for email, social media, and most online services. Always combine strong passwords with two-factor authentication for maximum security.
How is this password generated?
Our generator uses crypto.getRandomValues(), the browser's built-in cryptographic random number generator. This ensures true randomness that cannot be predicted or reproduced. Your password is generated entirely on your device and never sent to any server.