Free JSON to CSV Converter Online
Convert JSON arrays or objects into clean, Excel-compatible CSV tables instantly.
Understanding JSON and CSV Formats
JSON (JavaScript Object Notation) and CSV (Comma-Separated Values) are the two most common formats used for transmitting and storing structured data. JSON is a lightweight, text-based, human-readable format designed for hierarchical data structures. It is the standard format for APIs, web services, and modern database configurations. However, because JSON uses nested brackets, keys, and values, it is difficult to open in standard spreadsheet applications like Microsoft Excel or Google Sheets.
CSV, on the other hand, represents data in a flat, tabular grid where each row represents a record and columns are separated by commas. It is the preferred format for data analysis, business reporting, and database imports. Converting JSON to CSV simplifies data processing by turning complex, nested objects into a readable table.
Key Benefits & Features
Data conversion runs locally in your browser—your JSON payload is never uploaded to remote servers.
Handles nested JSON objects, key-value mappings, and complex arrays automatically.
Convert megabytes of JSON data into CSV spreadsheets in milliseconds.
Perform unlimited conversions with zero account signups or software installations.
How to Use the JSON to CSV Converter Step-by-Step
This utility runs entirely inside your browser using client-side JavaScript. We prioritize your security: none of your inputted text is logged or stored.
- 1
Input JSON Data: Paste your raw JSON array or string into the input editor box.
- 2
Convert Format: Click "Convert to CSV" to transform your data.
- 3
Download CSV: Copy the formatted CSV table or click "Download .CSV".
Practical Examples
[{"name": "Alice", "age": 28, "city": "New York"}, {"name": "Bob", "age": 34, "city": "San Francisco"}]
Frequently Asked Questions (FAQ)
How do I convert a JSON file to CSV?▼
Paste your JSON data into the text box, click "Convert to CSV", and download your formatted spreadsheet file instantly.
Is my sensitive JSON data uploaded to an external server?▼
No. All data processing occurs 100% locally inside your web browser for complete security and data privacy.
Can I convert nested JSON objects into CSV columns?▼
Yes, the converter flattens nested object properties into standard spreadsheet columns automatically.
Is there a file size limit for JSON conversions?▼
No, our tool handles large JSON arrays smoothly without restricting file sizes or daily conversion counts.
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