Alphanumeric Password Generator

No symbols — just letters and numbers. Strong security through length and mixed case.

100% Secure Free & Unlimited No Registration Browser-Based

📋 When to Use Alphanumeric Passwords

Letters and numbers only — no symbols. Many legacy systems and some banking platforms reject special characters or restrict which symbols are allowed. Rather than guessing which symbols work, use alphanumeric to guarantee compatibility. Still strong at 12+ characters because length beats symbol variety.

📊 Technical Breakdown — alphanumeric

  • Entropy: 96 bits at 16 chars
  • Crack time: ~2 trillion years
  • Security level: Very Strong
  • Best for: Legacy systems, no-symbol DBs

All calculations assume alphanumeric with mixed character types. Actual security depends on specific character selection.