Password / Random String

Generate strong, secure passwords and random strings. Customize length, characters, and complexity for maximum security.

Options

Generated Password

What It Does

Password Generator creates strong, random passwords to protect your online accounts from unauthorized access. This tool generates cryptographically secure passwords with customizable options including length, character types (uppercase, lowercase, numbers, symbols), and complexity rules. A strong password is your first line of defense against hacking, credential stuffing, and brute-force attacks. The generator produces random passwords using a secure randomization algorithm—you can customize password length (typically 8-64 characters), choose which character types to include (uppercase A-Z, lowercase a-z, numbers 0-9, special symbols !@#$%^&*), and optionally exclude ambiguous characters like 0/O or 1/l/I that can be confused. The generator uses cryptographic randomness (not simple Math.random()) to create passwords that are extremely difficult to predict or crack through brute-force methods.

Key Features:

  • Cryptographically secure random generation (using Web Crypto API)
  • Customizable length from 8 to 128 characters
  • Character type selection: uppercase, lowercase, numbers, symbols
  • Option to exclude ambiguous characters (0, O, 1, l, I)
  • Option to exclude similar characters to prevent confusion
  • Bulk generation: create multiple passwords simultaneously
  • Password strength indicator (weak, medium, strong, very strong)
  • One-click copy for easy password storage

How To Use

Generate a secure password in three steps. Configure your password requirements (length and character types), generate the password, and securely store it in a password manager.

1

Configure Password Requirements

Set the desired password length (minimum 12 characters recommended, 16+ for high-security accounts). Select which character types to include: uppercase letters, lowercase letters, numbers, and special symbols. Enable "exclude ambiguous characters" if you'll be typing the password manually.

2

Generate Password

Click "Generate Password" to create a random password meeting your specifications. The password will appear along with a strength indicator (weak, medium, strong, very strong). If the strength is not sufficient, increase the length or add more character types and regenerate.

3

Copy and Store Securely

Use the "Copy" button to copy the password to your clipboard. Immediately paste it into a password manager like 1Password, LastPass, Bitwarden, or your browser's built-in password manager. Never store passwords in plain text files, emails, or physical notes.

Benefits

Maximum Security: Cryptographically random passwords are nearly impossible to guess or crack through brute-force attacks
Protection Against Dictionary Attacks: Random combinations of characters cannot be found in password dictionaries used by hackers
Unique Passwords: Generate different passwords for each account to prevent credential stuffing attacks where hackers try leaked passwords on multiple sites
Compliance Ready: Strong passwords help meet security requirements for PCI DSS, HIPAA, SOC 2, and other compliance standards
Time-Saving: Generate secure passwords instantly instead of trying to think of random combinations yourself
No Human Bias: Truly random passwords avoid predictable patterns humans naturally create (like replacing "a" with "@" or "e" with "3")
Configurable Complexity: Adjust length and character types to meet specific website requirements

Use Cases

New Account Registration

Create strong, unique passwords when signing up for new online services, social media accounts, or shopping sites. Generate a 16-character password with all character types enabled. Store it immediately in your password manager. Never reuse passwords across different sites—generate a new random password for each account to prevent cascading breaches if one site is compromised.

Password Reset and Security Updates

Replace weak or compromised passwords with newly generated strong passwords. If you receive notification that a service experienced a data breach, generate a new password immediately. Also replace passwords that are short (under 12 characters), predictable (like "Password123!"), or reused across multiple sites. Schedule regular password updates for critical accounts like email, banking, and cloud storage.

IT Administration and Employee Accounts

Generate temporary passwords for new employee accounts, contractor access, or service accounts. Create 20-character passwords for administrative accounts and privileged access systems. Use bulk generation to create multiple passwords for mass user provisioning. Ensure passwords meet organizational security policies regarding length and complexity.

API Keys and Application Secrets

Generate random strings for API authentication tokens, webhook secrets, or application configuration values. Create 32-64 character passwords for maximum security when the password will be stored in environment variables or configuration files and never manually typed. Use alphanumeric characters only if special symbols might cause parsing issues.

WiFi Network Security

Create strong passwords for home and office WiFi networks using WPA2 or WPA3 encryption. Generate a 20-24 character password with all character types. Write the password on a physical card for guests but store it in your password manager as the master copy. Change WiFi passwords periodically (every 6-12 months) and always after employees leave or guests visit.

Frequently Asked Questions

1 How long should my password be?
Minimum 12 characters for standard accounts, 16+ characters for email and financial accounts, 20+ characters for administrative and privileged access, and 8-10 characters only if the website enforces a maximum length restriction. Longer passwords are exponentially harder to crack. Each additional character multiplies the number of possible combinations, making brute-force attacks impractical. For example, a 12-character password with all character types has 95^12 (over 540 quadrillion) possible combinations, while a 16-character password has 95^16 (over 440 septillion) combinations. Modern password cracking tools can test billions of combinations per second, so length is critical.
2 Is it safe to use an online password generator?
Yes, if the generator runs entirely in your browser using client-side JavaScript and the Web Crypto API for randomness. This tool generates passwords locally on your device—no password data is sent to any server or stored anywhere. However, avoid online generators that use server-side generation where passwords might be logged. Always verify the generator is open-source or from a reputable provider. For maximum security, use password generators built into trusted password managers like 1Password, LastPass, or Bitwarden, which generate passwords offline.
3 Should I include special characters and symbols?
Yes, including special symbols (!@#$%^&*) significantly increases password strength by expanding the character set from 62 (uppercase + lowercase + numbers) to 95+ characters. This makes brute-force attacks much harder. However, some websites restrict certain symbols or have maximum length limits. If a website rejects your generated password, try excluding symbols or reducing length. For API keys and configuration values, consider using only alphanumeric characters to avoid parsing issues. Modern security guidelines (NIST SP 800-63B) recommend allowing all printable ASCII characters in passwords.
4 How do I remember generated random passwords?
You don't—use a password manager instead. Password managers like 1Password, LastPass, Bitwarden, or built-in browser password managers securely store all your passwords encrypted behind a single master password. This allows you to use unique, random, maximum-length passwords for every account without memorizing any of them. Only your master password needs to be memorable (use a passphrase like "correct-horse-battery-staple"). Never write passwords on paper, store them in plain text files, or use the same password across multiple sites. Password managers also auto-fill passwords and warn you about reused or weak passwords.
5 What about passphrases vs random passwords?
Both random passwords (like "X7#mK2$pL9@nQ4&w") and passphrases (like "correct-horse-battery-staple-purple-elephant") can be secure, but they serve different purposes. Random passwords offer maximum entropy per character and are ideal when stored in password managers. Passphrases are better for master passwords you must memorize, full-disk encryption, or passwords you type frequently. A 4-5 word passphrase with random dictionary words provides similar security to a 12-character random password but is much easier to remember. For accounts managed by a password manager, use random generated passwords for maximum security.

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