Generate strong, secure random passwords instantly. Customize length, character types and copy with one click.
The strongest passwords are long, random and unique. Humans are terrible at creating random passwords — we tend to reuse them, use predictable patterns (like "password123" or a child's birthday), or make them too short. A password generator eliminates these problems by using cryptographic randomness to create passwords that are virtually impossible to guess or crack.
Our password generator uses your browser's built-in Web Crypto API (specifically crypto.getRandomValues()) — the same cryptographic source used by banking sites and password managers. This produces true random values, not predictable pseudo-random ones.
You can customize the length (8 to 128 characters) and choose which character types to include. You can also exclude ambiguous characters like l, 1, I, O, 0 to make passwords easier to type manually.
Password strength is measured in entropy — roughly, how many guesses an attacker needs. Adding characters to the length multiplies the search space exponentially; adding a symbol only helps a little. Compare offline cracking times (a modern GPU rig):
The rules that actually protect you: long and random, unique per site (one leak should not open other doors), stored in a password manager, with 2FA on important accounts.
All passwords are generated locally in your browser. Nothing is sent to any server, nothing is stored, and nothing is logged. You can even disconnect from the internet after loading this page — it will still work perfectly.
Yes. We use the browser's Web Crypto API (crypto.getRandomValues), which provides cryptographically secure random values — the same standard used by banks, password managers and security software.
No, absolutely not. Passwords are generated entirely in your browser using JavaScript. Nothing is sent, stored or logged anywhere. You can verify this by disconnecting from the internet — the tool will still work.
For most accounts, 16 characters is a good minimum. For sensitive accounts (email, banking, password manager master password), aim for 20+ characters. Length matters more than complexity — a long random password is stronger than a short complex one.
Ambiguous characters like l (lowercase L), 1 (one), I (uppercase i), O (uppercase o) and 0 (zero) can be visually confused. Excluding them makes passwords easier to read and type manually, but reduces the pool of characters slightly. If you use a password manager, you don't need to exclude them.
Yes, if the website allows them. Symbols dramatically increase the number of possible combinations, making brute-force attacks much harder. However, some legacy systems don't accept symbols — in that case, just increase the length to compensate.
Use a reputable password manager like Bitwarden (free, open-source), 1Password or KeePass. Never store passwords in plain text files, browser autofill without a master password, or on sticky notes. A password manager is safer than any password you can memorize.