Is the JSON to CSV Converter free?

Yes — the JSON to CSV Converter is completely free, with no account, subscription, signup, or usage limits.

Is my data uploaded or stored?

No. The JSON to CSV Converter processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.

Does the JSON to CSV Converter work offline?

Yes. Once the page has finished loading, the JSON to CSV Converter works without an internet connection.

Which browsers does the JSON to CSV Converter work in?

The JSON to CSV Converter works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.

What delimiter should I choose for Excel?

Comma is standard for most Excel locales. If your system uses a comma as the decimal separator (common in Europe), use semicolon instead.

Can I convert nested JSON objects to CSV?

Nested objects or arrays in field values are automatically serialised to a JSON string within the CSV cell. If you need full flattening, you should manually flatten the JSON first.

JSON to CSV Converter

Convert JSON data to CSV format instantly in your browser.

Delimiter

JSON Input

CSV Output

CSV output appears here

Free browser-based tool · Runs 100% on your device · Last updated July 7, 2026

What is the JSON to CSV Converter?

The free JSON to CSV Converter transforms JSON array data into a clean CSV file you can open in Excel, Google Sheets, or any spreadsheet application. Paste your JSON in the left panel, choose a Delimiter (comma, semicolon, tab, or pipe), and the tool instantly generates a properly formatted CSV in the output panel. Column headers are automatically extracted from the first object's keys. Everything runs in your browser — no file is ever uploaded to a server.

→ Exporting API response data into a spreadsheet for analysis
→ Converting JSON-formatted database exports into Excel-compatible CSV
→ Transforming JSON configuration arrays into a flat tabular format
→ Preparing data for import into CRM, marketing, or analytics tools

How to Use the JSON to CSV Converter

1 Paste your JSON array (e.g. [{"name":"Alice","age":30}]) into the input panel.
2 Select a Delimiter — comma is the default for most spreadsheet apps, tab for TSV files.
3 The CSV output appears instantly in the right panel.
4 Click Copy to copy the CSV to clipboard, or Download to save the file.

Key Features

🔀
Four delimiter options

Choose comma, semicolon, tab, or pipe to match your target application's requirements.
📋
Auto-extracts column headers

Column names are taken automatically from the first JSON object's keys.
⚡
Instant output

CSV appears in real time as you paste — no button press needed.
💾
Copy and download

Copy to clipboard or download as a .csv file with one click.
🔒
Free and private

All processing happens in your browser — your data is never uploaded.

Example Usage

Example Input

[{"product":"Widget","price":9.99,"stock":42}]

Example Output

product,price,stock
Widget,9.99,42

Frequently Asked Questions about the JSON to CSV Converter

What is the JSON to CSV Converter?: The JSON to CSV Converter is a free online tool that lets you convert JSON data to CSV format instantly in your browser. It runs entirely in your browser, so there is nothing to install and nothing is uploaded to a server.
Is the JSON to CSV Converter free?: Yes — the JSON to CSV Converter is completely free, with no account, subscription, signup, or usage limits.
Is my data uploaded or stored?: No. The JSON to CSV Converter processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.
Does the JSON to CSV Converter work offline?: Yes. Once the page has finished loading, the JSON to CSV Converter works without an internet connection.
Which browsers does the JSON to CSV Converter work in?: The JSON to CSV Converter works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.
What delimiter should I choose for Excel?: Comma is standard for most Excel locales. If your system uses a comma as the decimal separator (common in Europe), use semicolon instead.
Can I convert nested JSON objects to CSV?: Nested objects or arrays in field values are automatically serialised to a JSON string within the CSV cell. If you need full flattening, you should manually flatten the JSON first.