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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