JSON <> CSV Converter

Convert data between JSON arrays and tabular CSV format

JSON Input
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CSV Output
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JSON <> CSV Conversion

Converting between JSON and CSV (Comma-Separated Values) is a very common task for data analysts, developers, and product managers. While JSON is perfect for hierarchical application data, CSV is widely supported by spreadsheet software like Excel and Google Sheets.

This tool lets you convert in both directions. It can flatten JSON arrays of objects into a standard tabular format, or parse CSV rows into a JSON array of objects. Processing happens entirely in your browser, so your sensitive data is never uploaded to an external server.