Aplicação web interativa para codificar e decodificar mensagens usando dois métodos: Cifra de César (com chave ajustável de 1 a 99) e Base64. Desenvolvida com HTML5, CSS3 e JavaScript puro, sem dependências externas.

A secure, client-side web application for encrypting and decrypting files using GPG/PGP cryptography. Built with modern web technologies and designed with privacy and security as core principles.

A simple command-line C Cipher Tool that encrypts and decrypts text using the Caesar Cipher algorithm with a user-defined numeric key

Interactive cryptanalysis workbench for exploring, analyzing, and solving classical ciphers.