Password Strength Checker
Real-time password strength analysis with security score and tips. 100% local, never uploaded.
Suggestion
Instructions
密码强度检测使用说明
功能简介
实时检测密码强度，从长度、字符种类、常见弱密码等多个维度综合评分，并给出改进建议，帮助您创建更安全的密码。
使用方法
注意事项
❓ FAQ
How is the score calculated?
Based on length, character variety, presence in common weak-password lists, and patterns like consecutive or repeated characters.
What counts as a strong password?
At least 12 characters mixing upper/lowercase letters, numbers and symbols. Avoid common words, birthdays and personal info.
Is my password uploaded?
No. The strength check runs entirely in your browser; your password never leaves your device.
📝 Related Articles
How to Use a Cron Expression Generator: Complete Beginner Steps
Use an online tool to select the five time fields, automatically generate a standard Cron expression with a human-readable time explanation, and learn to troubleshoot execution time deviations caused by time zones and field counts, so complex schedules no longer rely on guesswork.
tool-tutorialsHow to Use an Online CSV to JSON Tool: Beginners Can Get Started in Three Steps
Use a three-step process to complete an online CSV to JSON tool operation, covering option settings, result validation, error troubleshooting, large file handling, mobile operation, and API debugging scenarios. Beginners can follow along to get usable JSON data.
tool-tutorialsWhat Is HTML Formatting? A Beginner's Guide to the Key Points
Use a browser-based HTML formatting tool that runs locally to restore compressed or messy HTML into an indented, readable structure. Also understand the difference between formatting and minification, the troubleshooting order for messed-up indentation, and how to handle large files getting stuck and mobile no-install solutions.
tool-tutorialsThe Difference Between JS Formatting/Minification and Manual Code Cleanup: Which Is More Suitable
The difference between JS formatting/compression and manual cleanup comes down to automation versus human judgment. Formatting and compression are handled in bulk by tools according to rules—fast and consistent; manual cleanup is more flexible, suited to scenarios with special naming conventions or complex logic. For everyday development and debugging, use tools first and save human effort for the parts that truly need judgment. Understanding what JS formatting and compression means helps you decide when to use it and when to stop.