Crypto Tools
Password Strength Checker
🔒 Runs in your browser
Check how strong your password is instantly. Analyzes length, character variety, and common patterns. 100% private — runs in your browser.
Checked entirely in your browser. Password never transmitted. No data leaves your device.
How to Check Password Strength Free — Entropy & Crack Time (2026)
Check password strength and entropy in your browser. Shows crack time estimates for online and offline attacks. Your password never leaves your device.