Fast references and small tools for working developers.
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Tools
Encode, decode, format, and validate. Browser-based utilities that never send your data anywhere.
6 toolsDocumentation
Concise protocol references, cheat sheets, and implementation notes from real-world usage.
referenceBlog
Occasional notes on networking, tooling, and the parts of software engineering nobody warns you about.
3 postsAbout
Why this exists, who maintains it, and what the name means.
Latest
Why relying on User-Agent strings for client identification is a losing game, and what the TCP/TLS layers reveal that HTTP headers never will.
networkingsecuritynew
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