Yoonadev

Data

JSON ↔ CSV

Table data conversion and download

Turn flat JSON records into downloadable CSV or CSV rows into JSON.

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Usage guideWhen to use · How to use · Understand results

When to use this tool

Turn flat JSON records into downloadable CSV or CSV rows into JSON.

How to use it

  1. An array of JSON objects becomes table rows; object keys become columns. Export CSV for a spreadsheet or convert tabular CSV back to JSON for an API.

Reading the result

Download CSV as UTF-8 with a BOM for better Korean text support in Excel, then open it in Excel or Google Sheets. Download JSON for another program or API test. Nested objects and arrays are rejected to prevent data loss.

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