Convert JSON to CSV Online

Master JSON to CSV conversion with our comprehensive online tool. Transform JSON arrays into spreadsheet-ready CSV format instantly. Perfect for developers exporting API data, data analysts preparing datasets, and business users sharing information. Features include automatic header detection, nested object handling, multiple delimiter options, real-time preview, and 100% client-side processing for complete data privacy. Export to Excel, Google Sheets, databases, and BI tools with ease.

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How to Use JSON to CSV Converter

1

Prepare Your JSON

Ensure your JSON is an array of objects. Each object will become a row in the CSV, with properties as column headers.

2

Paste & Configure

Paste your JSON into the input area or upload a file. Choose your preferred delimiter and any additional options.

3

Convert & Download

Click 'Convert to CSV' and download the result or copy it directly to your clipboard for immediate use.

Pro Tips for JSON to CSV Conversion

Data Preparation

  • • Ensure consistent object structures for cleaner CSV output
  • • Flatten nested objects first for better readability
  • • Remove unnecessary properties to reduce file size
  • • Validate JSON syntax before conversion

Delimiter Selection

  • • Use comma for standard CSV compatibility
  • • Choose semicolon for European locale compatibility
  • • Use tab delimiter for TSV (Tab-Separated Values)
  • • Consider pipe (|) for data with commas or semicolons

Handling Complex Data

  • • Arrays are converted to JSON strings automatically
  • • Nested objects become JSON strings in single cells
  • • Dates are preserved as strings in ISO format
  • • Special characters are properly escaped

Post-Conversion

  • • Open in Excel or Google Sheets for analysis
  • • Import into databases using standard CSV importers
  • • Share with non-technical stakeholders easily
  • • Use for data visualization tools

Powerful JSON to CSV Features

Universal Compatibility

Converts JSON arrays to CSV format compatible with Excel, Google Sheets, databases, and BI tools.

Multiple Delimiters

Choose from comma, semicolon, tab, or pipe delimiters to match your regional settings or application requirements.

Smart Header Detection

Automatically detects all unique properties across objects to create comprehensive column headers.

Nested Object Handling

Intelligently converts nested objects and arrays to JSON strings, preserving complete data structure.

Privacy Focused

All processing happens in your browser - your data never leaves your device ensuring complete privacy.

Export Options

Download as CSV file or copy directly to clipboard for immediate use in other applications.

About JSON to CSV Conversion

This tool converts JSON arrays of objects to CSV (Comma-Separated Values) format. The conversion follows these rules:

  • The JSON must be an array of objects
  • Each object in the array becomes a row in the CSV
  • Object property names become column headers
  • All unique properties from all objects are included as columns
  • Values are properly escaped according to CSV standards
  • Nested objects and arrays are converted to JSON strings

Example JSON:

[
  {"name": "John", "age": 30, "city": "New York"},
  {"name": "Jane", "age": 25, "country": "USA"}
]

Converted to CSV:

name,age,city,country
John,30,New York,
Jane,25,,USA

Need to prepare data for a web app?

If you have spreadsheet data and need to convert it to a JSON array for an API, we've got you covered. Parse your CSV data with our powerfulCSV to JSON Converter.

Frequently Asked Questions

Common questions about JSON to CSV conversion

How to Convert JSON to CSV Online for Free?

Convert JSON to CSV easily with our free online JSON to CSV converter tool. Paste your JSON array into the input field, select a delimiter (comma, semicolon, or tab), and click 'Convert to CSV.' The tool generates CSV output instantly, which you can copy or download. Ideal for developers and data analysts exporting JSON data for spreadsheets or databases, this JSON converter processes data securely in your browser. No software installation or sign-up is needed for fast, reliable conversions.

What Type of JSON Can Be Converted to CSV Online?

Our free JSON to CSV converter tool works with JSON arrays of objects, where each object becomes a CSV row and its properties become columns. For best results, objects should have a similar structure. This online JSON converter is perfect for developers exporting API data or analysts preparing data for spreadsheets. Paste your JSON array, select a delimiter, and convert instantly. All processing occurs in your browser, ensuring privacy and compatibility with standard JSON formats without software installation.

How Are Column Headers Determined in a JSON to CSV Converter?

In our free JSON to CSV converter tool, column headers are derived from the unique property names in your JSON objects. The tool scans all objects in the JSON array to include every property as a column, ensuring no data is missed. This makes it ideal for developers exporting API responses or analysts creating spreadsheets. Paste your JSON, choose a delimiter, and convert to CSV instantly. All processing is done in your browser for secure, fast results without software installation.

What Happens If JSON Objects Miss Properties in CSV Conversion?

If some JSON objects in your array lack properties present in others, our free JSON to CSV converter tool leaves corresponding CSV cells empty. All unique properties are included as columns to maintain data integrity. This feature suits developers exporting inconsistent API data or analysts preparing datasets for analysis. Paste your JSON, select a delimiter, and convert to CSV instantly. The online JSON converter processes data securely in your browser, ensuring accurate exports without software installation or sign-up.

Can I Choose Different Delimiters in a JSON to CSV Converter Tool?

Yes, our free JSON to CSV converter tool lets you choose between comma (,), semicolon (;), or tab delimiters for your CSV output, ensuring compatibility with regional settings or applications like Excel. Paste your JSON array, select your preferred delimiter, and click 'Convert to CSV' for instant results. Ideal for developers and data analysts exporting data, this online JSON converter processes everything in your browser for privacy and speed, with no software installation required.

How Do I Handle Nested Objects in JSON to CSV Conversion?

Our JSON to CSV converter automatically handles nested objects by converting them to JSON strings. This preserves the complete data structure while maintaining CSV compatibility. For complex nested data, you might also consider using our JSON Flatten tool first to create a flat structure before conversion, which can make the resulting CSV more readable and easier to work with in spreadsheet applications.

Is My Data Safe When Converting JSON to CSV Online?

Absolutely. Our JSON to CSV converter operates entirely in your browser using client-side JavaScript. Your data never leaves your device or gets sent to any server, ensuring complete privacy and security. This makes it safe for handling sensitive information like customer data, financial records, or proprietary business information.

Can I Convert Large JSON Files to CSV?

Yes, our tool can handle large JSON files, though performance may depend on your device's memory. For files larger than 10MB, we recommend using our Batch JSON Processor which is optimized for handling multiple large files. The converter provides real-time feedback on processing status and will notify you when the conversion is complete.

What Are Common Use Cases for JSON to CSV Conversion?

Common use cases include: exporting API responses for analysis in Excel or Google Sheets, preparing data for database imports, converting JSON logs for business intelligence tools, sharing data with non-technical stakeholders, preparing datasets for machine learning projects, and migrating data between different systems or platforms.

Ready to Get Started?

Choose from our suite of JSON tools to start processing your data right away.

- For a complete overview, see our full GuideCSV (Comma-Separated Values)
- For a complete overview, see our full GuideExcel vs CSV