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Practical guides on file conversion, developer tools, and data privacy.
Dev Tools
5 min readWhat Is a JWT, and How Do You Decode One Safely?
A practical guide to JWT structure — and why pasting a production token into a random online decoder is riskier than it looks.
Dev Tools
4 min readWhat Is a UUID v4, and When Should You Use One?
UUIDs show up everywhere in software — database keys, session IDs, request tracing. Here's what version 4 actually means.