Web AppLiveJul 2026
KeyGuard
Password & Breach Auditor
> Overview
A privacy-first web app that evaluates password mathematical strength and checks against known data breach repositories using zero-knowledge k-Anonymity principles.
> Key Features
- HaveIBeenPwned API via k-Anonymity — plain-text passwords never leave the device
- Information entropy calculation using character set distribution and bit-entropy scoring
- Real-time strength meter with character pool badges
- Enterprise-grade minimalist interface with actionable remediation feedback
- Zero telemetry — privacy-first by design
> How to Use
Open in your browser
No installation required — just visit the live site and start using it instantly.
https://anvin-key-guard.vercel.app