Password Generator
Generate strong, secure passwords with customizable length, character sets, and strength meter.
## What does Password Generator do? Generate strong, secure passwords with customizable length, character sets, and strength meter. This free online tool runs entirely in your browser, ensuring your data stays private.
How to use Password Generator
- 1
Set password length
Use the slider to choose between 8 and 128 characters
- 2
Select character types
Toggle uppercase, lowercase, numbers, and symbols
- 3
Generate
Password auto-generates on any change, or click regenerate
- 4
Check strength
See the strength meter and estimated crack time
- 5
Copy and use
Click copy to save to clipboard
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Frequently Asked Questions
How secure are these passwords?
Passwords are generated using crypto.getRandomValues() — a cryptographically secure random number generator built into your browser. They never leave your device.
What length should I use?
16+ characters with all character types is considered strong. For sensitive accounts, use 20+ characters.
What are ambiguous characters?
Characters like 0/O, 1/l/I that look similar in some fonts. Excluding them makes passwords easier to read and type manually.
Can I generate multiple passwords at once?
Yes! Enable bulk mode to generate 5, 10, or 20 passwords at once.
Is my password stored anywhere?
No. Everything runs locally in your browser. No data is sent to any server. The history is only kept in memory during your session.
Is this tool free?
Yes! Generate unlimited passwords completely free with no signup required.