An educational security tool that simulates how
attackers crack passwords
using real-world methods
Automated systems continuously attempt
unauthorized access across the
internet
Someone's account gets hacked.
Automated systems continuously attempt unauthorized access across the internet. Understanding attack methods helps you create better defenses. Most succeed in under a minute.
Hackers don't guess—they lookup
Billions of passwords exposed.
Major data breaches have exposed billions of passwords over the past decade. These leaked credentials are compiled into searchable databases that attackers use for dictionary attacks rather than random guessing.
The Breaker uses real attack logic.
We run the exact same methods hackers use — dictionary attacks, hybrid mutations, brute force. You'll see precisely how fast your password falls. Knowledge is your first line of defense.
Checking for real-world weaknesses.
Test your password against our local 100k dictionary and brute-force simulator.
The logic behind the simulation
Input a password to test. No data is stored or transmitted.
The app runs your password through attack simulations.
Watch the real-time analysis in a terminal-style interface.
See estimated crack time, attack method, and risk level.
Understand what makes passwords strong or weak.
Based on security research standards
Evaluates against common password lists (e.g., rockyou.txt) to simulate dictionary attacks.
Uses Shannon entropy calculations to determine the mathematical randomness of your string.
Estimates assume standard GPU hardware running at typical hash rates (millions/sec).
Follows modern NIST password guidelines for strength assessment.
Stop guessing entropy. Measure real strength.
No. Both this web demo and the iOS app run 100% locally on your device. Your data never leaves your screen.
Browsers have memory limits, so this web demo only uses a subset of the top 100,000 compromised passwords. The native iOS app harnesses the full capabilities of your iPhone to test against databases with millions of entries and complex hybrid mutations.
We are currently exploring an Android version. Let us know if this is something you'd like to see!
The Breaker is a client-side educational tool.