Practical guides on JSON errors, large files, and format conversion.
How to turn a JSON array of objects into a clean CSV or Excel file, including what happens to nested objects, arrays, and large numbers.
A checklist of concrete, testable questions to ask before trusting a JSON formatter with a large or sensitive file, not just a features list.
Why ChatGPT and other LLMs produce broken JSON, and how to fix trailing commas, markdown fences, and truncated output in one click.
What a JSON 'Unexpected token' error actually means, the exact characters that usually cause it in LLM output, and how to fix it fast.
A practical walkthrough of dot-notation flattening for nested JSON objects, and how to decide what belongs in a spreadsheet at all.
How JSON and YAML actually differ in syntax and behavior, and practical guidance on which one fits a given file or use case.
Why a 100 MB JSON file crashes most browser tabs, and the three techniques that let you open, scroll, and search one instead.
A plain explanation of JSONPath syntax, what it's used for, and how to get the exact path to any value in a JSON document.
The specific architectural shortcuts that make most browser-based JSON viewers slow down or crash once a file passes a few megabytes.