# Passwords Tools > Password strength testing, breach checking, and secure password generation Passwords Tools helps users verify their password security by testing strength, checking against known data breaches, and generating strong passwords. All checks are performed locally — your password never leaves your device. ## Main Features - Password strength analysis with entropy scoring - Breach checking against known compromised databases (via k-anonymity) - Secure password generator with customizable options - Educational resources on password best practices ## Key Pages - [Homepage](https://passwords.tools/): Test your password security - [About](https://passwords.tools/about.html): About password security threats and best practices - [Guide](https://passwords.tools/guide.html): Complete guide to creating and managing strong passwords - [FAQ](https://passwords.tools/faq.html): Frequently asked questions about password security - [Case Studies](https://passwords.tools/case-studies.html): Real-world password breach scenarios - [Resources](https://passwords.tools/resources.html): Recommended password managers and security tools ## About Passwords Tools is a free, privacy-first password security tool created by Simon Desjardins-Hogue. No passwords are ever transmitted — all analysis happens in your browser using client-side cryptography. Part of the Privacy Tool AI suite of tools. ## Related Tools - [Privacy Tool AI](https://privacytool.ai/) — Central privacy tools hub - [Fingerprint Tools](https://fingerprint.tools/) — Browser fingerprint analysis - [LooksFake AI](https://looksfake.ai/) — AI-generated content detection - [IsItAScam Tools](https://isitascam.tools/) — Scam and fraud detection