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Random Password Generator

Utility

Generate strong, secure passwords instantly. Customize length and character types for maximum security.

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Not every site accepts the same password rules, one form forbids symbols entirely, another requires a minimum length well past the usual default, some exclude visually ambiguous characters like a zero and a capital O to avoid transcription errors when a password gets written down, and a genuinely random password generated without those specific constraints in mind can end up rejected by the exact form it was meant for. This tool generates a strong password with length and character type fully customizable, letting the result match whatever specific rules a destination actually enforces rather than a one-size-fits-all default.

See more about the Random Password Generator

Useful for generating a password that fits a form's specific length and character requirements on the first try, excluding ambiguous characters when a password might need to be read aloud or written down, or building a maximally random password once all the practical constraints of where it's actually going are accounted for.

Key features

  • Clean interface
  • Fast processing
  • No signup required
  • Works offline

Quick answers for Random Password Generator

How is password randomness generated?
It uses the browser's crypto.getRandomValues (Web Crypto API) rather than Math.random, filling a Uint32Array and mapping each value into your selected character pool.
What does the strength meter measure?
It calculates entropy as password length times log2 of your selected character pool size, then labels the result Weak, Fair, Strong, or Very strong based on set entropy thresholds.
What does the "No look-alikes" option do?
Enabling it strips visually ambiguous characters, O, 0, I, l, 1, the backtick, and quote marks, out of the character pool before generating.