Generate a Strong Password!
Best practices to protect privileged credential access
Make sure passwords and accounts are set up correctly
Change passwords regularly and automatically
Monitor privileged users access and activity
Control and manage elevating privileged access
Delete passwords and accounts when no longer needed
Security Guidelines
How to Create a Secure Password
- Include lowercase letters [a-z]
- Include uppercase letters [A-Z]
- Include numbers [0-9]
- Include symbols [!@#$%^&*]
- Avoid personal information
- Avoid common passwords
Best Practices
- Use unique passwords for each account
- Enable two-factor authentication
- Use a password manager
- Change passwords regularly
- Never share passwords
Key takeaway: This free random password generator creates cryptographically secure passwords directly in your browser using the Web Crypto API. No data is ever sent to a server — making it safe for personal accounts, business logins, and enterprise security. Recommended for developers, IT professionals, remote workers, and anyone who values online safety.
What is a Random Password Generator?
A random password generator is a security tool that creates unpredictable, high-entropy passwords using a cryptographic random number source. Unlike human-created passwords, generated passwords contain no patterns, dictionary words, or personal information — making them virtually impossible to guess through brute-force attacks, dictionary attacks, or social engineering.
According to NIST SP 800-63B (Digital Identity Guidelines), passwords should be at least 8 characters minimum and ideally 12+ characters with mixed character types. Our generator produces 16-character passwords by default with 80+ bits of entropy — exceeding recommended standards.
How Does This Password Generator Work?
This tool uses the crypto.getRandomValues() Web API — the same cryptographic random number generator used by browsers for TLS/SSL encryption:
- Select your desired password length and character types (uppercase, lowercase, numbers, symbols)
- The browser generates cryptographically random bytes using your operating system's entropy source
- Each random value is uniformly mapped to a character from your selected pool
- The password is displayed locally in your browser — it never touches any server or network
Who Should Use a Password Generator?
Direct answer: Everyone who uses online accounts should use a password generator. Here's a breakdown by audience:
| Audience | Use Case | Recommended Length |
|---|---|---|
| General users | Email, social media, shopping accounts | 12–16 characters |
| Developers & IT pros | SSH keys, API tokens, server access, CI/CD secrets | 20–32 characters |
| Businesses & teams | Admin panels, databases, cloud services, shared accounts | 24–48 characters |
| High-security needs | Encryption keys, master passwords, cold storage | 32–64 characters |
Password Strength: What the Numbers Mean
Password strength is measured by entropy (bits) — the number of possible combinations. A 16-character password using all character types (95 possible characters) has approximately 105 bits of entropy. At 10 billion guesses per second, this would take 4 × 10¹² years to crack.
- 40–60 bits: Weak — can be cracked in hours to days with modern GPUs
- 60–80 bits: Medium — would take years with current hardware (acceptable for low-risk accounts)
- 80–100 bits: Strong — practically uncrackable with brute force (recommended minimum)
- 100–128 bits: Very Strong — exceeds military-grade security requirements
Frequently Asked Questions
Related Tools & Resources
- URL Shortener — Create and track secure short links
- All Free Tools — Explore our complete developer toolkit
- NIST SP 800-63B — Official digital identity password guidelines
Last updated: August 2026 · Uses Web Crypto API · Based on NIST SP 800-63B guidelines · Statistics from Verizon DBIR 2024