JSON to CSV & CSV to JSON Converter

Converter

Convert JSON arrays to CSV spreadsheets and CSV back to JSON with live table preview.

Delimiter:

JSON Array Input

JSON

UTF-8•100% Local Sandbox

34 lines • 635 Bytes • 635 chars

CSV Output

CSV

UTF-8•100% Local Sandbox

1 line • 0 Bytes • 0 chars

About JSON to CSV & CSV to JSON Converter

A bidirectional JSON and CSV converter transforms structured JSON records into flat tabular CSV formats compatible with Excel, Google Sheets, or database imports, and vice versa. It intelligently extracts table headers from JSON object keys and handles delimiter escaping.

Zero-Upload Privacy Guarantee

Exporting customer lists, financial metrics, or user exports into CSV should never involve transmitting proprietary datasets to random third-party cloud servers. Local browser conversion ensures 100% data sovereignty.

Client-Side Sandbox● 100% Air-Gapped

Key Capabilities & Features

Bidirectional conversion: JSON to CSV and CSV to JSON

Automatic flattening of nested child objects and arrays

Interactive data table preview with column sorting and row counts

Configurable delimiters: comma, semicolon, tab, or pipe

Handles quoted strings and commas inside cell values accurately

How to use this JSON to CSV

1

Choose conversion mode

Select JSON to CSV or CSV to JSON using the mode switcher.

2

Paste your data

Enter your JSON array of objects or raw comma/tab-separated CSV text.

3

Select delimiter

Choose comma (,), semicolon (;), tab (\t), or pipe (|).

4

Preview & download

Inspect the live interactive data table preview and download the output with one click.

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Frequently Asked Questions

Yes. Nested objects are flattened with dot notation (e.g. user.address.city) or cleanly serialized as JSON strings inside the column.