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Password Generator

Generate cryptographically secure passwords using your browser's built-in crypto API. Nothing is sent to any server.

This password generator runs entirely in your browser and uses the Web Crypto API's cryptographically secure random number generator, so nothing is transmitted or stored anywhere. Switch between two modes: a traditional password with adjustable length from 4 to 128 characters and toggles for uppercase, lowercase, numbers, and symbols (with an option to exclude ambiguous characters like 0, O, 1, l, and I), or a passphrase mode that strings together random dictionary words with a separator of your choice. Every result comes with a live strength meter so you can judge at a glance whether it's weak, fair, strong, or very strong. Need several passwords at once, for different accounts? Set the bulk count and generate up to fifty in one click, then copy them all together.

Click Generate

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How to Use Password Generator

  1. Choose the Password or Passphrase tab.
  2. Adjust the length slider (or word count for passphrases).
  3. Toggle character types like uppercase, numbers, symbols, or exclude ambiguous characters.
  4. Click "Generate" to create a new password.
  5. Click "Copy Password" to copy it, or set "Generate multiple" for a bulk batch.

Frequently Asked Questions

Set length (up to 128 chars), choose character types (uppercase, lowercase, numbers, symbols), click Generate. Uses window.crypto.getRandomValues() — cryptographically secure.

Security experts recommend at least 16 characters with a mix of all character types. A 20+ character password is practically impossible to brute-force.