{ } → 📊 JSON to CSV

Convert JSON data to CSV format. Handles nested objects and arrays. Auto-detects columns. Free, private — all processed in your browser.

JSON Input:

CSV Output:

Flatten nested objects Include headers

All processing in-browser · No upload to server · Your data stays private

About JSON to CSV Converter

Convert JSON arrays to CSV format. Handles nested objects with dot-notation column headers. Perfect for exporting API responses to Excel or Google Sheets. All processing in your browser.

Nested Object Support

Flattens nested JSON objects into dot-notation columns. Deep structures become readable spreadsheet columns.

Auto-Detect Headers

CSV headers generated automatically from JSON keys. All columns detected — no manual mapping needed.

Instant Conversion

Paste JSON, get CSV instantly. Download as .csv file ready for Excel, Google Sheets, or database import.

Private Data

JSON data processed locally. No server uploads. Sensitive API responses and data stay on your device.