Password Strength Checker

Estimate password guessability locally without sending it.

How to use Password Strength Checker

Estimate password guessability locally without sending it.

  1. Select Load example or paste your own test input.
  2. Choose Run and review the available options.
  3. Run the selected action; review any validation message.
  4. Inspect the output before copying, printing or downloading it.

A small example

Input:
Auvatrix demo password

Example output:
{
  "score": 4,
  "outOf": 4,
  "estimatedGuesses": 10000000000010000,
  "warning": "",
  "suggestions": [],
  "note": "Heuristic estimate, not a breach lookup or guarantee. Prefer a password manager and a unique password."
}

When the result looks wrong

The score is a heuristic estimate, not a breach lookup or guarantee against guessing. Avoid testing real passwords on an untrusted page.

Questions about Password Strength Checker

Is my input uploaded?

File and text processing runs in your browser. Opening the website still loads application assets from its host.

What if the result looks wrong?

The score is a heuristic estimate, not a breach lookup or guarantee against guessing. Avoid testing real passwords on an untrusted page.

Can I use sensitive production data?

Prefer non-sensitive test data. Never paste live access tokens, passwords or confidential documents into a site without assessing its code and environment.

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Supported input and output

Text input; check the selected action and example for the expected syntax.

See the result panel and available copy or download controls for the selected action.

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