🔐 Password Generator
Generate strong, secure passwords instantly. Customize length, character sets, and complexity for maximum security.
Step 1: Character Types
12
Secure password tips
Use at least 12 characters with a mix of uppercase, lowercase, numbers, and symbols. Avoid dictionary words or personal info.
Step 2: Options
Why entropy matters
Entropy measures password strength in bits. Higher bits mean harder to crack. Aim for 60+ bits for strong security.
Generated Passwords
Passwords
Strength Examples
Entropy & Chart
Your New Password(s)
P@ssw0rd123!
Entropy: 72 bits (Strong)
Character Set Size
78
Possible Combinations
2.3e+22
Crack Time (offline)
centuries
Strength
Strong
Password Strength Examples
| Length | Character Sets | Example Password | Entropy (bits) | Strength |
|---|
Character Distribution & Entropy
How Entropy is Calculated
Entropy = log₂(R^L) = L × log₂(R)
R = size of character set, L = password length. Higher entropy means stronger password. 40+ bits is moderate, 60+ is strong, 80+ is very strong.
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