Password Generator
Create strong, random, secure passwords with our free online password generator. Customize the length and character types to meet your security requirements.
Password Tips
- Use at least 12 characters for better security
- Include a mix of character types
- Avoid common words or personal information
- Use a unique password for each account
- Consider using a password manager
Password Security Analysis
Password Length | 12 characters |
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Character Combinations | ~7.2 x 10^21 |
Time to Crack | Centuries |
Entropy | 72 bits |
Recent Passwords
Password | Strength | Length |
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About Password Generator
This password generator tool helps you create strong, random, and secure passwords to protect your online accounts. With customizable options for length and character types, you can generate passwords that meet specific security requirements.
How Password Generation Works
The generator uses cryptographically secure random number generation to create passwords with the following characteristics:
- Randomness: Passwords are generated using a secure algorithm that ensures unpredictability
- Customization: You can specify the length and types of characters to include
- Exclusion: Option to exclude similar-looking characters that might cause confusion
- Strength: The tool evaluates and displays the strength of each generated password
Understanding Password Strength
Password strength is determined by several factors:
- Length: Longer passwords are exponentially harder to crack
- Complexity: Using multiple character types increases the possible combinations
- Unpredictability: Avoid patterns, dictionary words, or personal information
- Uniqueness: Never reuse passwords across multiple accounts
Password Security Metrics
The tool calculates several security metrics for each generated password:
- Entropy: Measures the unpredictability of the password in bits
- Combinations: The total number of possible passwords with the same characteristics
- Time to Crack: Estimated time required to brute-force the password
- Strength Rating: Qualitative assessment (Weak, Medium, Strong, Very Strong)
Best Practices for Password Security
To maximize your online security:
- Use passwords with at least 12 characters
- Include uppercase, lowercase, numbers, and symbols
- Never share your passwords with anyone
- Change passwords periodically (every 3-6 months)
- Use two-factor authentication when available
- Consider using a reputable password manager
- Be cautious of phishing attempts
Common Password Threats
Be aware of these common password security threats:
- Brute Force Attacks: Trying all possible combinations
- Dictionary Attacks: Trying common words and variations
- Phishing: Tricking users into revealing passwords
- Keyloggers: Malware that records keystrokes
- Data Breaches: Compromised credentials from hacked sites
Note: While this tool generates strong passwords, ultimate security depends on how you store and manage them. Never store passwords in plain text or share them via insecure channels.