Password Generator

Generate strong, secure passwords with custom length, symbols and character types.

Instant Secure Works Offline

Home › Password Generator

Generated Password
Click Generate ↓
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Password Length
Length 16
Character Types
A
Uppercase
A – Z
a
Lowercase
a – z
9
Numbers
0 – 9
!
Symbols
! @ # $ % …
Options
Include all selected types
Avoid similar (O, 0, l, 1)
No repeated characters
No sequential (abc, 123)
Security Tips
Use 16+ Characters
Each extra character exponentially increases cracking difficulty. 16 chars with mixed types is practically unbreakable.
Never Reuse Passwords
One breached site exposes every account sharing that password. Use a unique password everywhere.
Use a Password Manager
Bitwarden (free), 1Password, or KeePass store all passwords securely — you only remember one master password.
Enable 2FA Always
Two-factor authentication means even a leaked password can't unlock your account without your phone.
Frequently Asked Questions
Is this truly random and secure?

Yes. We use the browser's built-in crypto.getRandomValues() — the same cryptographically secure API used by security software, not the predictable Math.random().

How long should my password be?

16 characters with mixed types is excellent for most accounts. For banking or email, use 20+. The entropy counter shows exactly how strong your password is in bits.

Are my passwords stored or sent anywhere?

Never. Everything runs 100% in your browser. No password is ever sent to our servers or logged in any way.

What does crack time mean?

Crack time estimates how long it would take a computer making 100 billion guesses per second to crack your password. A result of "centuries" means it's effectively uncrackable.

What is entropy (bits)?

Entropy measures unpredictability. Each extra bit doubles the cracking difficulty. 60+ bits is strong, 80+ bits is very strong, 100+ bits is practically uncrackable.

How to Use the Password Generator

  1. Set your desired Password Length using the slider (16+ is recommended).
  2. Toggle which character types to include: uppercase, lowercase, numbers, and symbols.
  3. Click Generate to instantly create a cryptographically secure password.
  4. Click the Copy icon to copy it to your clipboard — no password is ever stored.
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