CSV to JSON Converter

Convert CSV to JSON and JSON to CSV, both directions.

Quick answer: Convert CSV to JSON or JSON to CSV online for free. Fast, accurate parsing that correctly handles internal commas and quotes in your browser.

CSV input

converted locally — your data never leaves your browser

Convert CSV data into a JSON array of objects, or flatten a JSON array back into CSV, with proper handling of quoted fields and commas inside values.

How it works

Paste your CSV data or JSON array into the editor.
Select the conversion direction (CSV to JSON, or JSON to CSV).
The parser correctly escapes inner commas and outputs the resulting data for you to copy.

Frequently asked questions

Does the parser handle commas inside individual fields?

Yes. Double-quoted fields are parsed strictly to spec, ensuring commas within data do not break the row structure.

What happens to nested JSON objects?

Because CSV is a flat format, deeply nested JSON objects do not map well. You should flatten your nested data structure before converting to CSV.

Is my data uploaded to a server for processing?

No. The conversion logic runs entirely on your local machine using Javascript.

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