Free browser tool

JSON to CSV Converter

The JSON to CSV converter turns a simple JSON array of objects into comma-separated values. It is intended for common tabular data such as exported API results, product lists, user records, analytics events, or simple datasets. The tool reads all object keys, builds a header row, and escapes values for CSV output.

This converter expects a top-level JSON array where each item is an object. It is not designed for deeply nested structures or mixed primitive arrays. If the input is not an array of objects, the page shows a clear error so you can adjust the data before converting.

JSON to CSV

Convert a simple JSON array of objects into CSV.

What this tool does

JSON is excellent for APIs and nested data, but CSV is still the most practical format for spreadsheets, quick reporting, and many business workflows. The JSON to CSV converter bridges that gap for simple tabular data. It expects a top-level JSON array where each item is an object, then uses the object keys as CSV columns and each object as a row.

This tool is designed for simple arrays of records, such as users, orders, products, analytics events, or exported API results. It handles commas, quotes, and line breaks in values by escaping them for CSV. If a value is itself an object or array, it is stringified into a JSON value inside the CSV cell rather than flattened into many columns.

For complex nested data, you may need a custom flattening strategy. For everyday developer tasks, though, a direct array-of-objects conversion is often enough to move data from an API response into a spreadsheet or share a quick sample with a non-developer teammate.

Common use cases

Analyze API data in a spreadsheet

Convert a list response into CSV so it can be opened in Google Sheets, Excel, or another spreadsheet tool.

Share readable exports

CSV is often easier for non-developers to scan than raw JSON, especially for flat records.

Build quick reports

Transform a small JSON dataset into rows and columns for ad hoc reporting or QA checks.

Prepare import files

Some tools accept CSV imports but not JSON. Conversion helps reshape simple objects for those workflows.

Example before and after

Each object becomes one CSV row. The keys from the objects become the header row.

JSON array

[
  { "name": "Ada", "role": "Engineer" },
  { "name": "Linus", "role": "Maintainer" }
]

CSV output

name,role
Ada,Engineer
Linus,Maintainer

How to use

  1. Paste a JSON array of objects.
  2. Click Convert to CSV.
  3. Review the CSV output and copy it.

Common errors

Top-level object instead of array

The converter expects an array of objects. Wrap records in brackets if you only have one object.

Mixed primitive values

Arrays of strings, numbers, or booleans are not tabular records and cannot be converted cleanly.

Deeply nested objects

Nested values are stringified. For deeply nested data, consider flattening fields before conversion.

Missing keys

If some objects do not include every key, the missing cells are left empty in the CSV output.

Why use this tool

Move simple JSON data into spreadsheets.

Create CSV from API responses without a script.

Flatten object lists into readable rows.

Best practices

Validate JSON first

The input must be valid JSON before it can be converted into rows and columns.

Use consistent object shapes

CSV works best when every object has the same keys and similar value types.

Review headers

Column names come from object keys. Rename keys before conversion if the CSV is for business users.

Keep nested data small

If a nested value is needed in a spreadsheet, extract the specific field rather than exporting the entire object.

Related JSON tools

Related guides

FAQ

What JSON shape does this converter support?

It supports a top-level array where each item is a JSON object.

Does it handle nested objects?

Nested objects are stringified as JSON values. The tool is best for simple flat objects.

Are commas and quotes escaped?

Yes. CSV values with commas, quotes, or line breaks are quoted.

Is data processed locally?

The tool runs in your browser and does not require login, a database, or server-side processing.