Convert JSON to CSV online for free

Upload your JSON file and get a CSV version in seconds. Our converter automatically transforms JSON into a ready-to-use CSV. Simple, fast, and secure.

How to convert JSON to CSV

Click the upload button and select your JSON file.
The conversion runs automatically — no configuration needed.
Download your CSV file instantly.

Converting JSON to CSV flattens structured API data into a spreadsheet-friendly format. This is the go-to step when you want to analyze, filter, or chart data from a JSON API in Excel, Google Sheets, or any BI tool that imports CSV files.

When to convert JSON to CSV

Data analysis: Open API responses in Excel or Google Sheets to sort, filter, and build pivot tables.
Reporting: Export records from a JSON-based database (Firebase, MongoDB) into CSV for business reports.
Database imports: Most SQL databases and ETL tools accept CSV as a bulk import format.
Sharing with non-technical users: CSV is universally understood — easier to hand off than a raw JSON file.

Frequently asked questions

What JSON structure is supported?: The converter works best with a JSON array of flat objects — each object becomes one CSV row.
What happens with nested objects?: Nested values are serialized as strings in the CSV cell. Flatten your JSON first for cleaner output.
Are all keys used as column headers?: Yes. The keys from the first object determine the column headers; missing keys in other rows produce empty cells.
Will the CSV open correctly in Excel?: Yes. The output uses comma separators and UTF-8 encoding, which Excel handles correctly on import.

About JSON

Learn more about JSON files — supported extensions, MIME types, and what you can do with them.

About CSV

Learn more about CSV files — supported extensions, MIME types, and what you can do with them.