Convert JSON arrays to CSV for spreadsheets. Flatten nested data, pick columns.
This tool expects a JSON array of objects, like [{...}, {...}]. Each object becomes a row, and each key becomes a column. Nested objects are flattened with dot notation (e.g., address.city).
JSON to CSV is a free, browser-based tool built for developers, designers, and everyday users. Convert JSON arrays to CSV format for Excel and Google Sheets. Flatten nested objects, choose delimiters. Free online JSON to CSV converter. This tool processes everything locally using JavaScript — no data is uploaded to any server, no account is required, and there are no usage limits. Whether you’re working on a quick project or handling sensitive data, your privacy is fully protected. Bookmark this page and use it anytime — it works on desktop, tablet, and mobile devices.