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~/tools

Security & Network Tools

Browser-based utilities for security practitioners. Encoding, crypto, DNS, and network tools — all client-side.

64

Base64 Encode / Decode

%

URL Encode / Decode

<>

HTML Entity Encode / Decode

0x

Hex / ASCII / Binary

🔑

JWT Decoder

#

Hash Generator

🔐

HMAC Generator

🎲

Cryptographic Random Generator

bytes/chars
🌐

DNS Lookup

📧

SPF / DKIM / DMARC Checker

🖧

Subnet Calculator

Email Header Analyzer

/./

Regex Tester

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JSON Formatter & Validator