Strong Password Generator Online
Create strong, random passwords using your browser's built-in cryptographic random number generator. No password is ever sent to a server.
Why use this?
- Cryptographically secure random generation
- Customizable length and character sets
- Nothing leaves your browser
- No storage, no history — passwords disappear when you close the tab
Why "random" matters
Passwords like "Password123!" or "Summer2024" feel random but follow predictable patterns attackers already test first. This tool uses your browser's Web Crypto API (crypto.getRandomValues), the same cryptographically secure source used for encryption keys — not Math.random(), which is not safe for security purposes.
Recommended settings
For most accounts, 16+ characters with uppercase, lowercase, numbers and symbols gives strong protection against brute-force attacks. Longer is generally better than more complex — a 20-character passphrase can be both stronger and easier to type than a 10-character jumble.
FAQ
Is this actually random, or just scrambled text?
It uses the Web Crypto API's cryptographically secure random number generator — the same standard used to generate encryption keys, not a simple pseudo-random function.
Should I use a password manager instead of memorizing these?
Yes, for most people. Generate a unique strong password here for each account, then store it in a password manager rather than memorizing or reusing passwords.
Is it safe to generate passwords in a browser tool?
Generation happens entirely on your device — nothing is transmitted or logged. Still, always verify a tool doesn't upload data if security is critical.