Password Strength Tester

🔒 Your password is analyzed entirely in your browser. It is never transmitted, never stored, and never leaves your device.
Runs Locally No Server Upload WebAssembly Engine
Strength: —
Waiting for input...
Cryptography Metrics
[a-z]
[A-Z]
[0-9]
[!@#]
Length 0
Pool Size 0
Raw Entropy 0.0
Crack Time Estimates
Online Attack
Offline GPU Attack
Total combinations: —
Detected Patterns
Feedback
Create a Stronger Password
Security Knowledge Base
📏
Length vs. Complexity

Think 1234!@# is safe? See why a 16-character phrase is actually 1,000x harder for a GPU to crack.

🔓
How Breaches Work

Hackers don't guess your password; they steal the whole database. Learn why "password reuse" is your #1 risk.

🔑
The Manager Secret

Stop stressing about memory. Discover the one tool that makes "Uncrackable" passwords easy to manage.

🛡️
Is This Site Safe?

Curious how we check your password without seeing it? Learn about the local WebAssembly tech protecting you.