密碼強度檢測器 - 即時檢測密碼安全性 | AI

免費線上密碼強度檢測工具，即時評估密碼安全等級、計算破解時間、提供改進建議。 支援常見密碼檢查、模式識別，符合 NIST 2025 安全標準，完全客戶端運算保護隱私。

Bitwarden offers the most trusted password tester tool to ensure your password strength will protect your online information. Completely free and easy to use.

Free password strength checker with advanced security analysis. Check password strength, crack time, and entropy. 100% private - all analysis done in your browser.

Check your password security and see if it can resist hackers. Use our random password generator to instantly create strong, unique passwords and stay protected.

The password strength calculator uses a variety of techniques to check how strong a password is. It uses common password dictionaries, regular dictionaries, first name and last name dictionaries and others.

我們的密碼測試器或強度測試工具會分析密碼的結構，以衡量其針對暴力破解等常見攻擊的恢復能力。 密碼檢查器會評估以下指標：