CSV Output
Supports Nested JSON, Arrays, and JSON Lines (NDJSON/JSONL)
Transform your JSON data into CSV format - perfect for Excel, spreadsheets, and data analysis
Try the JSON to CSV converter with sample data
Free JSON to CSV Converter - Convert JSON Files Instantly
Convert JSON Arrays and Nested Objects to CSV Online
How to Convert JSON to CSV - Step by Step Guide
Transform your JSON data into CSV format in 3 simple steps, with instant conversion and one-click export
1
Step 1 – Paste or Upload Your JSON File
Copy your JSON data and paste it into the input area. Our converter supports any valid JSON structure - arrays, objects, nested data, and more.
Multiple Input Methods: Direct paste, file upload, or try sample data to get started quickly
Real-time Validation: Instant syntax error detection with helpful correction suggestions
Any JSON Structure: Objects, arrays, nested data - we handle it all seamlessly
JSON Input
[
{
"game_id": "MLB2025_001",
"date": "2025-09-01",
"home_team": "New York Yankees",
"away_team": "Boston Red Sox",
"home_score": 5,
"away_score": 3,
"stadium": "Yankee Stadium",
"attendance": 42000
},
{
"game_id": "MLB2025_002",
"date": "2025-09-02",
"home_team": "Los Angeles Dodgers",
"away_team": "San Francisco Giants",
"home_score": 2,
"away_score": 4,
"stadium": "Dodger Stadium",
"attendance": 50000
},
{
"game_id": "MLB2025_003",
"date": "2025-09-03",
"home_team": "Chicago Cubs",
"away_team": "St. Louis Cardinals",
"home_score": 7,
"away_score": 6,
"stadium": "Wrigley Field",
"attendance": 38000
},
{
"game_id": "MLB2025_004",
"date": "2025-09-04",
"home_team": "Houston Astros",
"away_team": "Texas Rangers",
"home_score": 3,
"away_score": 3,
"stadium": "Minute Maid Park",
"attendance": 36000
}
]2
Step 2 – Preview CSV (Delimiter, Quote, Encoding)
Watch your JSON instantly transform into properly formatted CSV. Our converter handles special characters, quotes, and commas automatically with correct escaping.
Instant Conversion: See results as you type or paste - no waiting required
Smart Formatting: Automatically handles nested objects, arrays, and special characters
Proper Escaping: Correct handling of quotes, commas, and line breaks for CSV standard
Auto Convert→Real-time
CSV Output
game_id,date,home_team,away_team,home_score,away_score,stadium,attendance
MLB2025_001,2025-09-01,"New York Yankees","Boston Red Sox",5,3,"Yankee Stadium",42000
MLB2025_002,2025-09-02,"Los Angeles Dodgers","San Francisco Giants",2,4,"Dodger Stadium",50000
MLB2025_003,2025-09-03,"Chicago Cubs","St. Louis Cardinals",7,6,"Wrigley Field",38000
MLB2025_004,2025-09-04,"Houston Astros","Texas Rangers",3,3,"Minute Maid Park",360003
Step 3 – Download or Copy CSV (Excel/Sheets Ready)
Export your CSV data in seconds. Download as a .csv file ready for Excel, Google Sheets, or any spreadsheet application. Or copy directly to your clipboard for quick pasting.
One-Click Download: Download properly formatted CSV file ready for immediate use
Copy to Clipboard: Instantly copy CSV text for pasting into spreadsheets or apps
Excel/Sheets Compatible: Works perfectly with Excel, Google Sheets, Airtable, and more
One-click export - instant CSV download or copy
2 Options
Download CSV
Save as .csv file
Copy CSV
Copy to clipboard
Export your CSV instantly - works with Excel, Google Sheets, and more
JSON to CSV FAQs
Get answers to common questions about converting JSON to CSV reports
Simply paste or upload your JSON data in the browser and get an instant CSV preview—no Python, no installs, no sign-ups required. All processing runs locally on your device for speed and privacy. Click "Download CSV" to save the file or "Copy" to paste directly into spreadsheets. Visit JSON to CSV converter to get started.
Yes. All conversion happens entirely in your browser using client-side JavaScript. Your JSON data never leaves your device or gets uploaded to any server. This privacy-by-design approach ensures complete data security and GDPR compliance—your sensitive information stays 100% private.
Arrays of objects are converted to rows and columns. Nested objects are automatically flattened to dot-path columns (e.g., user.name, user.address.city) for easy comparison. Simple arrays become comma-separated values in cells. Complex arrays use the first item's structure to maintain consistent columns. All data is preserved during conversion.
Nested objects are flattened into columns using dot-notation paths. For example, {"user": {"name": "John", "address": {"city": "NYC"}}} creates columns: user.name and user.address.city. This approach keeps data structured and readable in spreadsheets while preserving the original information hierarchy.
Yes! The generated CSV files follow universal standards (RFC 4180) and open directly in Excel, Google Sheets, LibreOffice Calc, and all major spreadsheet applications. Fields with commas or line breaks are automatically quoted and escaped for perfect compatibility. Column order and data structure are preserved.
File size is limited by your browser and device memory—typically 10-50 MB works smoothly, while larger files (50-100 MB+) depend on your hardware. For very large datasets, we recommend testing with a sample first or splitting the JSON into smaller parts before conversion.
No installation required! The converter is completely web-based and works directly in your browser. Unlike desktop software or command-line tools (Python, Node.js), you don't need to download, install, or configure anything. Just open the page, paste JSON, and download CSV—it's that simple.
Both serve different purposes: JSON is ideal for complex, nested data structures and API responses; CSV excels for tabular data analysis, machine learning datasets, and spreadsheet processing. Convert between formats so your downstream tools—LLMs, analytics platforms, or BI software—consume the most appropriate format for each task.
The converter includes automatic JSON validation. If your JSON has syntax errors (missing brackets, trailing commas, unquoted keys), an error message will appear with details about the issue. Fix the JSON syntax and the CSV preview will update automatically in real-time.
Yes! After conversion completes, click the "Copy" button to copy the entire CSV content to your clipboard. You can then paste it directly into Excel, Google Sheets, or any text editor—perfect for quick data transfers without creating intermediate files.
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