Password Generator
The free Password Generator creates cryptographically strong passwords using your browser's built-in secure random number generator. Choose password length from 4 to 128 characters, toggle uppercase, lowercase, numbers and symbols, generate passphrases, bulk generate up to 50 passwords, check password strength in real time with entropy calculation and crack time estimate, and copy instantly. No data is ever sent to a server.
Generated Password
Way too short. Increase length immediately.
Password Options
Security Analysis
Security Tips
- →Use a unique password for every account
- →Store passwords in a password manager, never in plain text
- →Enable two-factor authentication on critical accounts
- →Never share passwords via email or chat
- →Passphrases with 4+ words are easier to remember and just as strong
- →Change passwords immediately if you suspect a breach
100% Private & Secure
All passwords are generated locally in your browser using window.crypto.getRandomValues(). No data is ever sent to any server. History clears when you close the tab.
What this tool does
- Cryptographically secure random generation
- Adjustable length from 4 to 128 characters
- Toggle uppercase, lowercase, numbers, symbols
- Passphrase generator mode
- Bulk generate up to 50 passwords
- Real-time password strength scoring
- Entropy calculation and crack time estimate
- Character legend and session history
Who it is for
- Everyone with online accounts
- IT administrators
- Developers and engineers
- Business owners
Frequently Asked Questions
Is this password generator secure?
Yes. Passwords are generated using window.crypto.getRandomValues() — the same cryptographic randomness used by browsers for SSL. No passwords are stored or transmitted.
How long should my password be?
At minimum 12 characters. For critical accounts, use 16–24 characters with all character types enabled.
Are the generated passwords saved anywhere?
No. Everything runs in your browser. Nothing is sent to any server. Session history clears when you close the tab.
Is the password generator free?
Yes. 100% free with no sign-up required.
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