Secure Password Generator
Generate cryptographically secure random passwords instantly. Free, no signup, 100% client-side.
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Why Use a Secure Password Generator?
Randomly generated passwords are exponentially harder to crack than human-created ones. Most people use predictable patterns, common words, or personal information in their passwords, making them vulnerable to dictionary attacks and brute-force attempts. Our generator uses cryptographically secure randomness to create passwords that resist these attack methods.
How This Generator Keeps You Safe
- •Cryptographic randomness: Uses crypto.getRandomValues() CSPRNG instead of predictable Math.random(), ensuring true entropy suitable for security applications.
- •100% client-side: All password generation happens in your browser. No data is transmitted to servers, logged, or stored anywhere.
- •Customizable strength: Adjust length (8-64 characters) and character types to meet specific security requirements or site restrictions.
- •Instant generation: Create unlimited unique passwords with one click, perfect for setting up multiple accounts securely.
Best Practices for Password Security
- •Use a unique password for every account to prevent credential stuffing attacks.
- •Aim for at least 16 characters for standard accounts, 20+ for sensitive accounts.
- •Store passwords in a reputable password manager rather than writing them down or reusing them.
- •Enable two-factor authentication (2FA) wherever possible for an additional security layer.
Frequently Asked Questions
How does this password generator work?
This tool uses the browser's crypto.getRandomValues() API to generate cryptographically secure random passwords. All generation happens entirely in your browser - no data is sent to any server. You can customize length (8-64 characters) and character types (uppercase, lowercase, numbers, symbols) to create passwords that meet your specific requirements.
Is this password generator secure?
Yes. Unlike basic password generators that use Math.random(), we use crypto.getRandomValues() which is a cryptographically secure pseudorandom number generator (CSPRNG). This provides high-entropy randomness suitable for security-sensitive applications. All processing happens client-side, so your passwords never leave your device.
What makes a strong password?
A strong password has three key elements: sufficient length (at least 12-16 characters), character variety (mix of uppercase, lowercase, numbers, and symbols), and true randomness. Human-created passwords often follow predictable patterns. Our generator creates truly random passwords with high entropy, making them resistant to brute-force and dictionary attacks.
How long should my password be?
For most accounts, 16 characters is a good balance between security and usability. Sensitive accounts (email, banking, work) should use 20+ characters. The longer the password, the more possible combinations exist, exponentially increasing the time needed to crack it. Our generator supports 8-64 character passwords.
Can I use the same password for multiple accounts?
No. Never reuse passwords across different accounts. If one service is breached, attackers will try that password on other popular sites (credential stuffing). Use our generator to create a unique password for each account, and store them in a reputable password manager.
Do I need to include symbols in my password?
Including symbols significantly increases password strength by expanding the character set. A 16-character password with symbols has vastly more possible combinations than one without. However, some older systems don't accept symbols - adjust the options based on the specific requirements of the service you're creating a password for.