Education & Analysis Tools
Learn cryptography and analyze password security
Encryption Algorithm Visualizer
Interactive visualization of encryption algorithms step by step
Frequency Analysis Tool
Analyze letter frequency to crack substitution ciphers
Cryptography History Timeline
Interactive timeline of cryptography history
Cryptographic Math Tool
Modular arithmetic calculator for cryptography
Password Entropy Calculator
Calculate password entropy with length curve visualization
Password Strength Calculator
Understand password security by estimating theoretical crack times
Password Vulnerability Analyzer
Learn why common passwords are vulnerable and how to create stronger ones
Password Reuse Checker
Check password reuse with similarity matrix heatmap