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Convert JSON to CSV format instantly. Upload a file or paste your JSON to get clean, spreadsheet-ready output. Handles nested objects, arrays, and multi-key JSON. No signup. Runs in your browser.
Free online JSON to CSV converter. Upload .json files or paste JSON data and convert to CSV format with nested object flattening, custom delimiters, and live table preview. Works without Python or code. No signup or server upload.
Drop your JSON file here
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JSON or TXT files up to 10MB
Your CSV output will appear here
Upload a JSON file or paste JSON to convert
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JSON is great for APIs and developers, but CSV is the universal format for spreadsheets and data analysis. Converting JSON to CSV makes your data accessible to everyone.
CSV files work everywhere. Import into Excel, Google Sheets, Numbers, or LibreOffice Calc with zero compatibility issues. No technical skills needed.
Got a JSON response from an API? Convert it to CSV so your team can analyze, filter, and visualize the data without writing code.
Complex nested JSON with objects inside objects? The converter flattens everything into clean columns using dot notation. No manual restructuring.
Skip the pandas tutorial. This tool runs entirely in your browser. Paste JSON, get CSV. No programming, no libraries, no setup.
Drop a .json file into the tool or paste JSON directly. The tool accepts arrays of objects, single objects, and multi-key JSON with selectable data arrays.
Choose your delimiter (comma, semicolon, tab, pipe), toggle header inclusion, and decide how to handle nested objects and arrays.
Check the live table preview to verify your columns look right. Then download the .csv file or copy the output to clipboard for Google Sheets.
JSON is the standard for APIs, configuration files, and web development. It handles nested data, arrays, and complex structures natively. But humans and spreadsheet tools need flat rows and columns.
CSV is the universal import/export format. Every spreadsheet app, database, and analytics tool accepts CSV. When you need to share data with non-developers, run it through Excel, or bulk-import records, CSV is the right format.
| Feature | JSON | CSV |
|---|---|---|
| Structure | Nested objects and arrays | Flat rows and columns |
| Best for | APIs, configs, web apps | Spreadsheets, databases, analytics |
| Human readable | Developers only | Anyone (opens in Excel) |
| Nested data | Native support | Requires flattening |
| File size | Larger (keys repeated per object) | Smaller (headers once) |
| Import to Excel | Needs conversion | Direct open |
Bottom line: use JSON for storing and transmitting structured data. Convert to CSV when you need to analyze, share, or import the data into tools that expect tabular format.
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