Developer Guides

Deeper dives into the concepts behind Nymphsoft's tools — not just how to use them, but how they work and what to watch out for. Find the answer to the "why" you had while using a tool.

JWT

Understanding JWT Signature Verification

Why do HS256 and RS256 need to be verified differently? How verification actually works in the browser, and the alg-related vulnerabilities that show up in production.

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CSV

Streaming Large CSV Files Without Freezing

Why opening a large CSV freezes the tab, how to build a chunk-boundary-resumable streaming parser, and how random fuzzing caught a real bug along the way.

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