Password Generator

Password Generator is a professional random password creation tool helping users create high-strength, difficult-to-crack passwords. Through flexible configuration options and real-time strength assessment, ensures generated passwords are both secure and compliant with various website and application password requirements.

Tool Features

• Flexible Configuration: Customize password length and character combination methods
• Strength Assessment: Real-time display of password strength levels, from very weak to very strong
• One-Click Copy: Quickly copy generated password to clipboard
• History: Automatically saves recently generated passwords for easy viewing and use
• Instant Generation: Immediately generates new password after configuration changes

How to Use

Configure Password Rules

Set password generation rules in configuration panel:

1. Password Length: Drag slider or input number to set length (1-100 characters)
2. Character Types: Select character types to include
   • Lowercase letters (a-z)
   • Uppercase letters (A-Z)
   • Numbers (0-9)
   • Symbols (!@#$%^&*()_+)

At least one character type must be selected. After modifying any configuration, system immediately generates new password.

View Password Strength

Generated password is automatically assessed for strength, displaying corresponding strength level:

• Very Weak: Low password strength, easily cracked
• Weak: Insufficient password strength, recommend strengthening
• Medium: Average password strength, suitable for ordinary scenarios
• Strong: High password strength, suitable for important accounts
• Very Strong: Very high password strength, suitable for high security requirement scenarios

Strength assessment is comprehensively calculated based on password length, character diversity, and other factors.

Copy and Use Password

1. Click copy icon in password display area to copy password with one click
2. Click refresh icon to generate new random password
3. View most recent 20 passwords in history
4. Click copy icon in history for any password to quickly copy

Password Strength Recommendations

Basic Security Requirements

For general websites and applications, recommend:

• Password length at least 12 characters
• Include uppercase and lowercase letters, numbers, and symbols
• Avoid using common words or personal information

High Security Requirements

For important accounts like banks and email, recommend:

• Password length at least 16 characters
• Must include all character types
• Regularly change passwords
• Use different passwords for different accounts

Application Scenarios

Account Registration

When registering new accounts, use password generator to create high-strength passwords meeting website requirements, ensuring account security.

Password Updates

When regularly updating important account passwords, generate completely new random passwords, avoiding security risks from password reuse.

Batch Generation

When needing to set passwords for multiple systems or devices, quickly generate multiple different high-strength passwords.

Security Testing

Security researchers can use this tool to generate test passwords, evaluating password policy effectiveness.

Security Tips

Password Management

• Use Password Manager: Recommend using professional password manager to store generated passwords
• Avoid Reuse: Different accounts should use different passwords
• Regular Changes: Important account passwords should be changed regularly

Generation Principles

• Completely Random: Generated passwords based on cryptographic-grade random algorithm, no patterns
• Local Generation: All passwords generated locally in browser, not transmitted over network
• No Record Saved: Besides history function, system does not save any password information

Technical Details

• Uses high-quality randomness to generate unpredictable passwords
• Password strength assessment based on entropy calculation
• History stored in browser locally, maximum 20 entries saved
• Supports 1-100 character password generation of any length

Working with Password Managers

This tool can be used with 1Password, LastPass, Bitwarden, and other password managers. First use this tool to generate high-strength password, then save to password manager, achieving secure password management workflow.

Compared to browser built-in password generation, this tool provides more flexible configuration options and real-time strength feedback, giving users more intuitive understanding of password security.