// cybersecurity & networking toolkit
Mario's Cyber Toolkit
An interactive platform for cybersecurity and networking tools. Password analysis, AES encryption, IP subnetting, and number base conversion — all client-side. Nothing leaves your browser.
Password Strength Checker
Entropy analysis, pattern detection, and cryptographically secure password generation.
→ Open tool
Encryption / Decryption
AES-256-GCM symmetric encryption running entirely in your browser.
→ Open tool
IP Address Tools
Subnet calculator, CIDR ↔ mask converter, host range, broadcast address and more.
→ Open tool
Base Converter
Convert numbers between binary, octal, decimal, hexadecimal and any base 2–16.
→ Open tool
Learning Hub
Understand entropy, symmetric encryption, subnetting, and number systems.
→ Start learning
About & Contact
Learn about Mario and this platform, and get in touch.
→ Say hello