JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. This guide covers JSON basics, tools like jq for manipulation, validation techniques, performance tips for handling large files, and methods to extract structured JSON from unstructured text using APIs like StructureAI. It also includes a quick reference table for common tasks such as pretty printing, validating, extracting fields, filtering arrays, minifying, schema validation, and converting text into JSON format.
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