Convert JSON to CSV or CSV to JSON with a single click
Handles nested JSON objects and arrays with smart flattening
Convert large datasets instantly with real-time output preview
Everything runs in your browser. Data never leaves your device
Convert between JSON and CSV formats. Supports nested objects, custom delimiters, quoted fields, and file uploads.
Our JSON CSV Converter makes it easy to switch between JSON and CSV data formats. Whether you need to import data into a spreadsheet or convert CSV data for an API, this tool handles it all in your browser.
Yes, completely free with no signup and no limits. Convert as many files as you want.
Yes! The converter flattens nested JSON objects and arrays into CSV columns using dot notation (e.g., address.city).
Since processing happens in your browser, the limit depends on your device memory. Most devices handle files up to several MB without issues.
The default delimiter is a comma, but you can configure it to use semicolons, tabs, or other delimiters.
No. All conversion happens entirely in your browser. Your data never leaves your device.
Yes! You can paste JSON or CSV data directly into the text area, or upload a file using drag and drop or the file picker.
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