Convert JSON to CSV Online

4.5 (365)

The easiest way to convert JSON to CSV online. Transform complex JSON data into flat, readable CSV spreadsheets for Excel and analysis. Fast, free, and secure.

Secure & PrivateFast ProcessingFree to Use

The Best Way to Flatten JSON Data

JSON (JavaScript Object Notation) is the language of the web, ideal for APIs and developers. However, it's not easy to read, filter, or analyze in a spreadsheet. Our JSON to CSV converter solves this problem effortlessly. It takes your hierarchical, nested JSON data and flattens it into a structured table format that Excel, Google Sheets, and other data analysis tools can understand. Whether you're analyzing API response logs, migrating a NoSQL database like MongoDB, or just need to read a complex configuration file, our tool makes the process simple and fast. Using a dedicated JSON to CSV tool ensures accuracy and saves you hours of manual formatting.

How to Convert

Upload JSON Data

Paste your JSON code directly or upload a .json file. We support both arrays of objects (standard data lists) and single objects for JSON to CSV conversion.

Flatten & Convert

Our engine identifies all keys and sub-keys, creating appropriate column headers automatically. It handles data type conversion for you during the JSON to CSV process.

Download CSV

Get your data in a standard CSV format, ready for immediate analysis in Excel or import into a SQL database.

Advanced Features

Nested Object Handling

We automatically flatten nested structures (e.g., user.address.city) so no data is left behind or lost in complex hierarchies when you convert JSON to CSV.

Large File Support

Built with performance in mind, our tool can handle large datasets efficiently without crashing your browser or timing out.

Privacy First Architecture

All processing is done client-side using JavaScript. Your sensitive API keys, user data, and logs are never uploaded to our servers.

No Coding Required

You don't need to write a Python script using pandas or learn how to use jq to convert your data. Just point, click, and download using our JSON to CSV converter.

Common Applications

API Data Analysis

Download data from a REST API and convert it to CSV to analyze trends, filter results, and create charts in Excel.

Database Migration

Export data from NoSQL databases like MongoDB or CouchDB and convert it to CSV for easy import into a relational SQL database.

Log File Parsing

Turn JSON-formatted server logs or application event logs into a readable spreadsheet for troubleshooting and auditing by converting JSON to CSV.

Frequently Asked Questions

How to convert JSON to CSV?

1. Upload your .json file or paste the JSON text directly into the input area of our JSON to CSV tool. 2. Click 'Convert to CSV'. 3. The tool will parse the JSON keys as headers and values as rows. 4. Download the resulting .csv file.

Can I convert nested JSON to CSV?

Yes, our tool is specifically designed to handle nested JSON structures. It intelligently flattens complex objects (e.g., converting `address: { city: 'NY' }` to a column named `address.city`) to ensure they fit into a standard CSV table format.

How to save JSON as CSV without Python?

You don't need to write Python scripts, use command-line tools like `jq`, or install any software. Simply upload your file to our online JSON to CSV converter, and we'll handle the transformation for you instantly in your browser.

Is this JSON to CSV tool free?

Yes, it is completely free. You can convert as many files as you want without any hidden costs, subscriptions, or watermarks.

Does it work on Mac and Linux?

Yes, since it runs entirely in your web browser, it works perfectly on Mac, Windows, Linux, Chromebooks, and even mobile devices.