Convert JSON to CSV quickly, with a configurable delimiter
The JSON to CSV Converter is a practical tool designed for data processing and analysis, converting JSON data to CSV format quickly. Whether you're working with API responses, analyzing log files, or preparing data reports, this tool helps you get the job done efficiently.
Our JSON to CSV Converter supports many JSON structures, including simple object arrays, nested objects, and complex data structures. Nested objects can be flattened into dotted columns (e.g. address.city) or kept as JSON text. You can customize the CSV delimiter to fit different use cases. Converted CSV data can be copied or downloaded directly, ready to import into Excel, databases, or other data analysis tools.
All operations run locally — your data is never uploaded, keeping it secure. The interface is clean and intuitive, so even non-technical users can get started easily.
For a step-by-step deep dive, read our guide: How to Convert JSON to CSV.
Quickly convert complex JSON structures to CSV, including deeply nested data
Choose your CSV delimiter — comma, semicolon, and more
Download the CSV file after conversion and import it into Excel or other spreadsheet apps
All data is processed locally in your browser — no upload, keeping it private and secure
An array of flat objects — one object per row, with the same keys across objects. Each key becomes a column header in the CSV.
Choose the Flatten option to expand nested objects into dotted columns (e.g. address.city). With the default setting, nested objects are kept as JSON text in a single cell.
Yes. Pick comma, semicolon, or tab to match the format your spreadsheet or application expects.
No. The conversion runs entirely in your browser, so your JSON never leaves your device 鈥?which matters when it contains real data rather than a sample.
For a step-by-step walkthrough, read our guide: How to Convert JSON to CSV.