Tools
Interactive demos to explore encryption, decryption, number systems, and programming.
Symmetric-Key Encryption
Encrypt and decrypt with a shared password using AES.
Try it →Public-Key Encrypt
Encrypt a message with someone's public key (RSA).
Try it →Public-Key Generate & Decrypt
Generate a key pair and decrypt messages sent to you.
Try it →Number Base Converter
Convert between binary, octal, decimal, hex, and more.
Try it →Robot Maze IDE
Write code to navigate a robot through 24 maze puzzles — from sequencing to loops and abstraction.
Start coding →