Password Generator
Generate strong, random passwords online for free. Customise length, symbols, numbers and case. No passwords stored.
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How to generate a strong password online for free
- Adjust the length slider — 16 characters is a good starting point for most accounts
- Toggle the character sets you need: uppercase, lowercase, numbers, symbols
- A new password appears instantly — click Copy or Regenerate for another
- Need multiple options? Switch to Generate multiple to produce a batch and pick your favourite
Why use our Password Generator?
Humans are terrible at picking random passwords — we gravitate toward dictionary words, names, and predictable substitutions like "3" for "e". Attackers know this and exploit it with dictionary attacks and credential stuffing. A randomly generated password of 16+ mixed characters is exponentially harder to crack, and our generator produces one in under a second.
Generation uses crypto.getRandomValues() — the same cryptographically secure random number API used by security software — running entirely in your browser. No password is ever transmitted to any server, logged, or stored.
Free, no account required. Use it with a password manager like Bitwarden, 1Password, or your browser's built-in vault to store the result safely.
Frequently Asked Questions
It uses window.crypto.getRandomValues(), the browser's cryptographically secure pseudo-random number generator (CSPRNG). Unlike Math.random(), which is deterministic and predictable, crypto.getRandomValues() is designed for security-sensitive use. Passwords are generated entirely in your browser — nothing leaves your device.
Three factors: length, character-set diversity, and unpredictability. A 16-character password using all character types has roughly 100 bits of entropy — well beyond the reach of any brute-force attack with current hardware. Avoid dictionary words, keyboard patterns, and personal information.
Yes, when the service allows it. Adding symbols expands the effective character pool from 62 to ~94 characters, adding about 1 extra bit of entropy per character. Some services restrict certain symbols — compensate by increasing the length when you can't use all character types.
At minimum 12 characters for general accounts, 16+ for sensitive ones (email, banking, cloud storage), and 20+ for a password manager master password. The slider goes up to 64 — for critical accounts, use the full length.
No. Generation happens entirely in JavaScript in your browser tab. No network request is made, nothing is logged, and the generated password never leaves your device. You can disconnect from the internet and the tool continues to work.
Humans are poor at true randomness. Studies show 91% of user-chosen passwords follow predictable patterns — names, dates, keyboard walks, or dictionary words with substitutions. A CSPRNG draws from a uniform distribution with no such bias, making every character genuinely unpredictable.
Yes — the generator runs in any mobile browser. Generate a password on iPhone or Android, then copy it directly to your clipboard or password manager with one tap.
Yes. Generating passwords and passphrases of any length is completely free with no account and no credit card. The tool runs in your browser — your generated passwords are never transmitted anywhere.