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Online Tools

Client-side only • educational
⚠️ Privacy Notice: All tools run locally in your browser. No data is sent to any server.

IPv4 Calculator

Enter IP + CIDR to get network/broadcast/range.

Output will appear here.

Base64 Encode / Decode

Useful for quick testing and debugging.

Result will appear here.

SHA-256 Generator

Hashes text using Web Crypto API.

Hash will appear here.

Password Strength Checker

Evaluate password strength (client-side only).

Result will appear here.

URL Encode / Decode

Encode or decode URL components.

Result will appear here.

More Tools Coming Soon

Future additions: DNS lookup, WHOIS info, port scanner visualizer, and more security utilities.

Want to add a tool? Edit tools.html and implement it in assets/js/main.js.