Free · No signup · Runs in browser

Free JSON to CSV Converter

Turn any JSON data into a clean CSV file — paste or upload, convert instantly.

Why use MorphFlux?

JSON to CSV conversion runs entirely in your browser — paste your data and download instantly, nothing is sent to any server.

Runs locally in your browser

Your JSON data is processed entirely on your device. Nothing is uploaded to any server, keeping your data completely private.

Paste text or upload a file

Paste your JSON directly into the text editor or upload a .json file. Both modes produce identical, properly formatted CSV output.

Handles nested objects automatically

Nested JSON objects are flattened using dot notation. For example, user.name becomes a column named user.name in the CSV output.

Free with no signup required

Convert as many JSON files to CSV as you need, completely free. No account, no email, no credit card required.

When would you need this?

Real-world scenarios where converting JSON to CSV saves time and effort.

Exporting API response data into a spreadsheet for analysis or reporting

Converting a JSON database export into CSV for import into Excel or GooglSheets

Transforming JSON config data into a readable tabular format for review

About JSON and CSV

Understanding when to use JSON versus CSV, and why converting between them is so common.

JSON

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data-interchange format wy used in APIs, configuration files, and web applications. It uses key-value pairs and supports nested structures, arrays, and multiple data types.

CSV

What is CSV?

CSV (Comma-Separated Values) is a simple, universal format for tabular data. CSV files open directly in Excel, Google Sheets, and virtually any data analysis tool, making them the most portable format for sharing structured data.

Frequently Asked Questions

Everything you need to know about converting JSON to CSV online.

How do I convert JSON to CSV?

Upload your JSON file or switch to Text mode and paste your JSON directly. Click Convert and download the CSV file or copy the output instantly.

Does it support nested JSON objects?

Yes. Nested objects are automatically flattened using dot notation. For example, a nested field like user.name becomes a column named user.name in the CSV output.

Is my data sent to a server?

No. All conversion happens locally in your browser using PapaParse. Your JSON data never leaves your device.

What happens if my JSON has inconsistent fields?

The converter uses all unique keys across all objects as column headers. Missing values are left empty in the CSV output.

Can I open the CSV in Excel or Google Sheets?

Yes. The output CSV is fully compatible with Excel, Google Sheets, Numbers, and any other spreadsheet application.

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