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Convert CSV and JSON online

Move between tabular CSV and an array of JSON objects while keeping column names.

04 / ROWKIND TOOLKIT

Convert CSV and JSON online

Move between tabular CSV and an array of JSON objects while keeping column names.

INPUT
Choose files from your device

CSV or JSON · up to 8 MB per file · 50,000 rows

OPTIONS

Processed in your browser. Files are not sent to our server.

HOW IT WORKS

Done in three steps.

  1. 01

    Choose CSV → JSON or JSON → CSV.

  2. 02

    Paste text or select a CSV or JSON file.

  3. 03

    Convert, preview and download the output.

FAQ / ROWKIND

Good to know

What JSON structure is accepted?

JSON to CSV accepts a nonempty array of objects, with one object per row.

How are nested JSON values handled?

Nested objects and arrays become JSON text in a single CSV cell.

Are CSV numbers converted to JSON numbers?

No. CSV values remain strings so IDs and leading zeros are preserved.