DevCoreTools
Data Conversion

JSON to CSV Converter

Convert JSON to CSV instantly. Paste JSON, flatten nested data, customize CSV options, and copy or download the result.

JSON to CSV guide

Paste JSON or load a sample to begin.

Input JSON

Arrays of objects work best. Objects and primitive arrays are also supported.

Processed locally in your browser. Limit 5 MB Your input is processed in your browser and is not uploaded or sent to a server. Avoid pasting production secrets, access tokens, private keys, passwords, or sensitive customer data unless you understand the risk.
Conversion options

CSV Output

Exact CSV output for copying, downloading, spreadsheets, and exports.

Ready to convert JSON

Paste JSON on the left, choose options, and convert it into spreadsheet-friendly CSV.

JSON to CSV Guide

Turn structured JSON into spreadsheet-ready rows

Convert API responses, exports, logs, fixtures, and test data into consistent CSV without sending data to a server.

What is a JSON to CSV Converter?

It converts JSON data into CSV rows and columns for spreadsheets, exports, reports, testing, and downstream data processing.

How to convert JSON to CSV

Paste JSON, choose conversion options, click Convert JSON to CSV, review the output, then copy it or download a CSV file.

Supported JSON shapes

Use an array of objects, a single object, an array of primitive values, or an object containing an array at a simple path.

How nested JSON is handled

Nested objects can become dot-separated columns such as user.name. Nested arrays can be stringified, joined, or expanded into indexed fields.

JSON to CSV for API responses

Select an array such as data.items or result.records and convert API response records into a format that spreadsheets can open.

JSON to CSV vs CSV to JSON

JSON to CSV creates tabular text from structured values. CSV to JSON parses tabular rows back into structured objects.

Privacy

Conversion happens locally in your browser. JSON input and CSV output are not uploaded, stored, or sent to an external conversion service.

JSON to CSV FAQ

Is this JSON to CSV Converter free?

Yes, it is free to use.

Does this tool upload my JSON?

No. JSON to CSV conversion runs locally in your browser.

What JSON format works best?

An array of objects works best because each object becomes a CSV row.

Can this tool convert nested JSON?

Yes. Nested objects can be flattened into columns such as user.name and user.email.

How are arrays inside JSON handled?

Nested arrays are stringified as JSON by default, with options to join simple values or create indexed fields.

Can I download the CSV file?

Yes. Use the Download CSV button beside the output.

Does CSV preserve JSON data types?

CSV is text-based, so numbers, booleans, and null values are represented as text or empty cells.

What is the difference between JSON to CSV and JSON Formatter?

JSON Formatter makes JSON readable. JSON to CSV converts JSON into spreadsheet-friendly tabular data.

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