How to convert CSV to JSON without losing data
Header rows, quoted fields with embedded commas, and why spreadsheet exports need care before they become an array of JSON objects.
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UUID Studio Blog
Tutorials on UUIDs, MongoDB, JSON, JWT, encoding, crypto, and API debugging. Every article links to free browser tools you can use immediately.
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Binary, octal, hex, and decimal: what each base is actually for
What each number base is actually for - file permissions, color values, bit flags, memory addresses - and how to convert between them without doing the math by hand.
camelCase vs snake_case vs kebab-case: when to use each
Why JavaScript, Python, and URLs all disagree on naming convention, and how to convert identifiers between camelCase, snake_case, kebab-case, and more.
How to verify a JWT signature (not just decode it)
Decoding a JWT reads its claims; verifying it proves they haven't been tampered with. How HS256 verification actually works, step by step.
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