CSV ↔ JSON Converter

Convert CSV to JSON or JSON to CSV, upload CSV files, copy results, and download the converted output.

Input

Output

Upload CSV

How to use CSV ↔ JSON Converter

Paste CSV/JSON text or upload a CSV file from your device.

Select CSV to JSON or JSON to CSV based on your input.

Generate structured JSON or clean CSV output instantly.

Check the converted data inside the output editor.

Copy the output or download it as JSON or CSV.

Reset the tool when you want to convert another file.

Paste CSV/JSON text or upload a CSV file from your device.

Select CSV to JSON or JSON to CSV based on your input.

Generate structured JSON or clean CSV output instantly.

Check the converted data inside the output editor.

FAQ

How do I convert CSV to JSON?

Paste or upload your CSV, choose the delimiter, and the tool converts it to valid JSON with a live preview.

Can I convert JSON back to CSV?

Yes, the tool works both directions — JSON to CSV with customizable field selection.

Is the CSV and JSON converter free?

Yes, completely free with no limits or signup required.

Does it handle headers and custom delimiters?

Yes, the first row is treated as headers and you can switch between comma, semicolon, tab, and pipe delimiters.

Is my data uploaded anywhere?

No, all conversion runs locally in your browser so your data stays private.