JSON to CSV Converter
Turn raw JSON data into a spreadsheet-ready CSV file in seconds. Paste your JSON on the left and the converter builds a clean table on the right, automatically detecting columns from your keys and escaping commas, quotes and newlines correctly. It handles arrays of objects, arrays of arrays and single objects with equal ease.
What is JSON to CSV Converter?
Convert JSON arrays and objects to clean CSV in one click. Turn raw JSON data into a spreadsheet-ready CSV file in seconds. Paste your JSON on the left and the converter builds a clean table on the right, automatically detecting columns from your keys and escaping commas, quotes and newlines correctly. It handles arrays of objects, arrays of arrays and single objects with equal ease. The tool runs 100% in your browser — nothing is uploaded to a server, so your data stays private, and it is free to use with no signup required.
Quick Answers
- Is this JSON to CSV converter safe for confidential data?
- Yes. All conversion happens locally in your browser using JavaScript. Your data is never uploaded, stored or transmitted anywhere, which makes it safe for private and business-critical records.
- How do I convert JSON to CSV in Excel?
- Convert your JSON with this tool, copy the result, open Excel, select cell A1 and paste. If columns do not split automatically, use the Text to Columns feature and choose Comma as the delimiter.
- Can it handle nested JSON objects and arrays?
- Yes. Arrays of objects are converted row by row, and the tool automatically collects every unique key as a column. Nested objects and arrays inside values are serialized as JSON text in their cell.
How do I use JSON to CSV Converter?
- Paste your JSON array or object into the input box.
- The CSV table is generated instantly as you type.
- Copy the output or download it as a .csv file.
Why use our json to csv converter?
This JSON to CSV converter is built for developers, analysts and data scientists who need a fast, dependency-free way to transform structured data. Unlike online tools that upload your data to a server, everything here runs in your browser with JavaScript, which means sensitive records never leave your machine. The converter flattens arrays of objects into rows and uses the union of all keys as columns, so sparse data still converts without losing fields. Comma, quote and newline characters inside values are escaped automatically, so the result opens correctly in Excel, Google Sheets and any CSV parser.
JSON vs CSV — when to use each
JSON is a tree structure while CSV is a flat table. Flattening JSON to CSV works best when the data is already a list of objects that share the same fields.
| Aspect | JSON | CSV |
|---|---|---|
| Structure | Nested objects and arrays of any depth | Flat grid of rows and columns |
| Headers | Field names appear on every object | One header row, then data rows |
| Nested data | Expressed naturally | Must be flattened or JSON-encoded in a cell |
| Opens in | Code and APIs | Excel, Google Sheets, SQL imports |
| File size | Larger due to repeated keys | Compact for tabular data |
Flattening a product feed into a spreadsheet for the marketing team
Marketing and finance teams live in spreadsheets. When a JSON export arrives from a shop API, converting it to CSV lets anyone filter it in Excel or Google Sheets. This is exactly what the tool does below.
Input JSON array
[
{ "name": "Keyboard", "price": 89, "stock": 12 },
{ "name": "Mouse", "price": 29, "stock": 0 },
{ "name": "Monitor", "price": 199, "stock": 5 }
]Converted CSV
name,price,stock Keyboard,89,12 Mouse,29,0 Monitor,199,5
Paste a JSON array from any API response and download a CSV ready for Google Sheets, Excel, or an ETL import.
Frequently Asked Questions
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