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.

JSON & CSV

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.

100% Client-Side — Your Data Never Leaves Your Browser

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.

Choosing between formats? Read our CSV vs JSON developer guide before you convert.

JSON input

0 chars

CSV output

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How to 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.

Frequently Asked Questions

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