Security & Privacy Tools

Random String Generator

Generate random alphanumeric strings for tokens, test data or unique identifiers.

How to use Random String Generator

  1. Set the string length, quantity and character set.
  2. Click Generate.
  3. Copy the results for use as tokens or test data.

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Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text using your browser’s built-in cryptography.

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Check how strong a password is, entirely on your device — the password is never transmitted or stored.

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Frequently asked questions

Is this suitable for generating security tokens?

Yes — it uses the Web Crypto API’s cryptographically secure random number generator, suitable for tokens, though for passwords specifically the Password Generator tool includes symbol and ambiguous-character handling tailored for that use.