JSON to CSV Converter

Convert JSON arrays to CSV format — download or copy. Browser-only, no upload.

About the JSON to CSV Converter

The JSON to CSV Converter flattens a JSON array of objects into rows and columns — the format Excel, Google Sheets and most data-analysis tools expect — so you can take an API response or exported dataset in JSON and open it directly as a spreadsheet.

Each object in the array becomes one row, and the union of all keys across objects becomes the column headers. This is a common step when working with data pulled from a REST API, since most APIs return JSON but most business teams work in spreadsheets.

Frequently Asked Questions

What happens to nested objects or arrays inside my JSON when converting to CSV?

CSV is a flat, two-dimensional format, so nested objects are typically flattened into dot-notation columns (e.g. address.city) or serialized as a JSON string within a single cell, depending on the nesting depth — deeply nested structures may need manual cleanup after conversion.

Will the CSV output open correctly in Excel?

Yes, the output uses standard comma-separated formatting with proper quoting for values containing commas or line breaks, so it opens directly in Excel, Google Sheets, or any spreadsheet tool without extra steps.

Is my data safe when I use JSON to CSV Converter?

Most AIVEXA tools run entirely in your browser (client-side), which means your files and inputs are processed on your own device and are not uploaded to a server.

Can I use JSON to CSV Converter on mobile, and is it free?

Yes — it works on any modern browser (desktop, Android or iOS) without installing an app, and it's free to use with no signup or watermark.

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