Practical how-tos and explainers to help you understand and use developer tools.
Base64 is a way to represent binary data as text. Understand what it does, where it is used, and why it is not encryption.
Practical Base64 commands for the browser, terminal, and Python — plus tips for Base64URL used in tokens.
JWT (JSON Web Token) is a compact, URL-safe way to represent claims between two parties. Learn its structure and where it is used.
Decode the header and payload of a JSON Web Token to inspect its claims — safely and locally.
A practical guide to formatting and pretty-printing JSON so it is readable, valid, and easy to debug.
JSON (JavaScript Object Notation) is the lightweight data format that powers most modern web APIs. Learn what it is, how it is structured, and why it matters.
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