Password Generator — Create Strong & Secure Random Passwords
Free online password generator to create cryptographically secure passwords, passphrases, PINs, and memorable passwords. Customize length, character types, and exclusions. Generate strong random passwords instantly — 100% client-side with crypto.getRandomValues().
100% client-side. Passwords are generated using crypto.getRandomValues() and never sent anywhere.
Options
ABCUppercase (A-Z)abcLowercase (a-z)123Digits (0-9)!@#Symbols (!@#$...)How many passwords?
5Check Your Own Password
Click Generate to create passwords
Uses crypto.getRandomValues() for true randomness
How to Use
Choose a Mode
Select Password, Passphrase, PIN, or Memorable depending on your needs.
Configure Options
Adjust length, character types, word count, or separator to customize your result.
Generate
Click the Generate button to create one or more passwords instantly.
Copy & Use
Click Copy or Download All to save your passwords. They never leave your device.
Frequently Asked Questions
At least 12–16 characters is recommended. Longer passwords dramatically increase entropy and crack time.
Entropy measures how hard a password is to guess. It is calculated as length × log₂(charset size). Higher entropy means stronger security.
Yes. A 4–5 word passphrase is often stronger than a random string and much easier to remember.
This tool uses crypto.getRandomValues(), a cryptographically secure pseudo-random number generator (CSPRNG) built into every modern browser.
Yes. You can choose exactly which character types to include, exclude specific characters, or provide your own custom character set.
A password is a random string of characters. A passphrase is a chain of random words that is easier to remember while remaining highly secure.
Examples
Strong Random Password
vJ9!kL3#xR7&mP2$
16 chars | 95 charset | 105 bits entropy
Very Strong — crack time: centuries
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