Free JSON to CSV Converter (Runs in Browser)
Convert JSON data to CSV format instantly. Free, client-side, and secure.
Input
JSONOutput
CSVYour converted output will appear here
How to Use Free JSON to CSV Converter (Runs in Browser)
The converter parses your JSON input, extracts all keys as column headers, and maps each object to a row. Nested objects are flattened using dot notation. The result is a properly formatted CSV file with escaped values.
🔒 Privacy First: This tool runs entirely in your browser. Your data never leaves your computer.
Common Use Cases
- Export API response data to spreadsheets for analysis
- Convert database exports to CSV for Excel or Google Sheets
- Transform configuration files for data processing pipelines
- Prepare JSON data for import into legacy systems
Free JSON to CSV Converter (Runs in Browser) FAQ
Simply paste your JSON data into the input field and click "Convert". The tool will automatically parse your JSON and convert it to CSV format that you can copy or download.
Yes! All processing happens in your browser. Your data never leaves your computer or gets sent to any server.
Yes, the converter handles nested objects by flattening them into columns. Array values are joined with commas.
Since processing happens in your browser, you can convert files up to several megabytes. For very large files, performance depends on your device.