Password Generator

Runs in browser

Generate cryptographically secure random passwords instantly.

Generate strong random passwords in the browser. Choose length and character types: uppercase, lowercase, numbers, symbols. Cryptographically secure.

Password Generator tool

Password
Very strong≈ 103 bits entropy

🔒 Runs in your browser · No uploads · Your data never leaves your device

How to use

  1. Set length and options

    Pick length (4–128) and tick which character types to include.

  2. Generate

    Click Generate password to create a new password.

  3. Copy password

    Use Copy to copy the password. Store it in a password manager.

Common use cases

  • Creating account passwords — Generate strong, random passwords for new accounts with custom length and character requirements.
  • Generating API keys and secrets — Create random high-entropy strings to use as API keys, webhook secrets, or session tokens.
  • Testing password policies — Generate passwords with specific character classes to verify that password validation logic works correctly.

Examples

  • Strong password

    16 chars with all types.

    Output
    Xk9#mP2$qR7@sT1w

Frequently asked questions

Are these passwords secure?
Yes. The generator uses the Web Crypto API for cryptographically strong randomness.
How long should my password be?
At least 12–16 characters with mixed character types is recommended for most uses.

Key concepts

Entropy
A measure of randomness in a password — higher entropy means more resistance to brute-force attacks.
Character set
The pool of allowed characters for password generation — typically uppercase, lowercase, digits, and symbols.

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