# Password Entropy Checker

> Check password strength, entropy and estimated crack time - fully offline, nothing is sent anywhere.

Canonical page: [https://chrome-stats.com/d/password-entropy-checker](https://chrome-stats.com/d/password-entropy-checker)

## Overview

- **ID:** `password-entropy-checker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Jennifer
- **Daily users:** 27
- **Version:** 4.0.2
- **Last updated:** 2026-04-14
- **First published:** 2026-03-06
- **Size:** 18 KB
- **Data as of:** 2026-05-18
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/password-entropy-checker/)

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension is not longer available in the store

## Similar extensions and apps

- [Password Strength Checker](https://chrome-stats.com/d/pass-strength-checker) — 28 users
- [Is my password strong?](https://chrome-stats.com/d/is-my-password-strong) — 27 users
- [Passphrase Meter](https://chrome-stats.com/d/passphrase-meter) — 1 users
- [Pass Check](https://chrome-stats.com/d/pass-check) — 6 users
- [Pass Strength](https://chrome-stats.com/d/pass-strength) — 6 users
- [PW Strength](https://chrome-stats.com/d/pw-strength) — 28 users
- [Password Analyzer](https://chrome-stats.com/d/password-analyzer) — 29 users
- [Password Strength Checker](https://chrome-stats.com/d/password-strength-checker-web)
- [Pwd Strength](https://chrome-stats.com/d/pwd-strength) — 6 users
- [Secure Pwd](https://chrome-stats.com/d/secure-pwd) — 6 users
- [Secure Check](https://chrome-stats.com/d/secure-check) — 26 users
- [Secure Password Meter](https://chrome-stats.com/d/secure-password-meter)

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Source: [Chrome-Stats](https://chrome-stats.com/d/password-entropy-checker)