Password Generator: Create Secure Random Passwords
Generate cryptographically secure passwords with customizable length and character sets. Perfect for creating strong, unique passwords for your accounts, applications, and security systems. All generation happens locally in your browser for maximum security.
Password Configuration
Length
Character Sets
Options
Actions
Quick Presets
Security Analysis
Generated Passwords
No passwords generated yet
Configure settings and click "Generate"
Active Character Set
Cryptographically Secure Generation
Uses browser's crypto.getRandomValues() API for true randomness and maximum security.
Security Features:
- • Cryptographically secure random generation
- • No predictable patterns or sequences
- • Client-side generation (never sent online)
- • High entropy for maximum protection
Best Practices:
- • Use unique passwords for every account
- • Store in a secure password manager
- • Enable two-factor authentication
- • Use maximum length allowed
What is a Password Generator?
A password generator is a security tool that creates random, unpredictable passwords using cryptographic algorithms. Unlike human-created passwords, generated passwords eliminate common patterns, dictionary words, and personal information that make passwords vulnerable to attacks.
✅ Why Use Generated Passwords?
- Maximum entropy: True randomness provides highest security
- No human bias: Eliminates predictable patterns and personal references
- Customizable strength: Adjust length and complexity for different requirements
- Unique for every account: Prevents password reuse vulnerabilities
- Resistant to attacks: Protects against dictionary, brute force, and social engineering
Features of Our Password Generator:
- Cryptographically secure - Uses browser's crypto.getRandomValues()
- Customizable length - Generate passwords from 4 to 128 characters
- Multiple character sets - Uppercase, lowercase, numbers, and symbols
- Bulk generation - Create multiple passwords at once
- Exclude similar characters - Avoid confusing characters like 0/O
- Real-time strength analysis - See password security score
- Password history - Keep track of generated passwords
- 100% client-side - Your passwords never leave your browser
How to Use the Password Generator
1. Configure Password Settings
Set your desired password length and select which character types to include. Longer passwords with more character types are more secure.
2. Choose Character Sets
Enable uppercase letters, lowercase letters, numbers, and symbols based on your requirements. Most systems benefit from all character types.
3. Generate Passwords
Click "Generate Password" to create a single secure password, or use "Generate Multiple" to create several passwords at once.
4. Copy and Use
Copy the generated password and use it immediately. Generated passwords are stored in your browser's history for convenience during your session.
Password Strength Guidelines
| Length | Character Types | Security Level | Use Case | Time to Crack* |
|---|---|---|---|---|
| 8 characters | Mixed case + numbers | Basic | Low-security accounts | Few hours |
| 12 characters | Mixed case + numbers | Good | Standard accounts | Few years |
| 16 characters | Mixed case + numbers + symbols | Strong | Important accounts | Millions of years |
| 20+ characters | All character types | Very Strong | High-security systems | Beyond universe age |
*Estimates based on modern hardware and brute force attacks
Character Set Options
Uppercase Letters (A-Z)
26 characters: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Lowercase Letters (a-z)
26 characters: a b c d e f g h i j k l m n o p q r s t u v w x y z
Numbers (0-9)
10 characters: 0 1 2 3 4 5 6 7 8 9
Symbols
32 characters: ! @ # $ % ^ & * ( ) - _ + = [ ] { } | \ : ; " ' < > , . ? /
Password Security Best Practices
✅ Do These Things
- Use unique passwords: Never reuse passwords across accounts
- Use a password manager: Store generated passwords securely
- Enable 2FA: Add two-factor authentication when available
- Regular updates: Change passwords periodically for sensitive accounts
- Check for breaches: Monitor if your accounts have been compromised
- Use maximum length: Use the longest password the system allows
❌ Avoid These Mistakes
- Personal information: Don't use names, dates, or personal details
- Dictionary words: Avoid common words and phrases
- Simple patterns: Don't use 123456, qwerty, or similar patterns
- Password reuse: Never use the same password for multiple accounts
- Sharing passwords: Don't share passwords via email or text
- Writing them down: Don't store passwords in plain text files
Common Use Cases
Personal Accounts
- Email accounts: Gmail, Outlook, Yahoo Mail
- Social media: Facebook, Twitter, LinkedIn, Instagram
- Banking: Online banking and financial services
- Shopping: Amazon, eBay, online stores
- Cloud storage: Google Drive, Dropbox, iCloud
- Streaming: Netflix, Spotify, YouTube Premium
Business & Professional
- Work accounts: Corporate email and systems
- Server access: SSH, FTP, database passwords
- Application secrets: API keys and tokens
- Admin accounts: CMS, hosting panels, control systems
- Development: Git repositories, deployment keys
- Enterprise software: CRM, ERP, project management
Related Security Tools
Enhance your password security with these related tools:
bcrypt Password Hasher
Hash passwords securely using bcrypt algorithm for database storage.
Try our bcrypt tool →Text Analysis Tool
Analyze password complexity and character composition in detail.
Try our Text Analysis tool →Random Generator
Generate random numbers, strings, and other data for various purposes.
Try our Random Generator →String Comparison
Compare passwords and strings to ensure uniqueness and differences.
Try our String Comparison tool →Frequently Asked Questions
Are generated passwords safe to use?
Yes, cryptographically generated passwords are the safest option. Our tool uses browser's crypto.getRandomValues() for true randomness, making passwords unpredictable and secure.
How long should my passwords be?
We recommend at least 16 characters for important accounts. Longer passwords are exponentially more secure. Use the maximum length allowed by each system.
Should I include symbols in my passwords?
Yes, symbols significantly increase password entropy and security. Include them unless the specific system doesn't support them.
How often should I change my passwords?
Change passwords immediately if a breach is suspected. For routine changes, every 90 days for sensitive accounts is reasonable, but strong unique passwords can last longer.
Is it safe to generate passwords online?
Our tool operates entirely in your browser - passwords are never sent to our servers. However, for maximum security, consider using offline password managers.
What if I can't remember generated passwords?
Generated passwords are meant to be stored in password managers, not memorized. Use a reputable password manager to store and autofill your passwords securely.
Technical Security Details
Our password generator implements industry best practices for secure random generation:
Security features:
- Uses Web Crypto API for cryptographically secure random number generation
- Uniform distribution across character set prevents bias
- No predictable patterns or sequences in generated passwords
- Client-side generation ensures passwords never leave your browser
- High entropy calculation provides accurate strength assessment
Password Security Excellence
Security Benefits:
- • Cryptographically secure random generation
- • Maximum entropy for optimal security
- • Resistance to brute force attacks
- • No predictable patterns or biases
Best Practices:
- • Use unique passwords for every account
- • Store passwords in a secure password manager
- • Enable two-factor authentication
- • Regular security audits and updates