JSON to CSV Converter
Convert JSON arrays to CSV format for Excel and spreadsheet analysis with our free online tool
JSON Input
Paste your JSON data here (supports objects, arrays, and nested structures)
CSV Outputs
No CSV outputs yet. Click "Configure & Convert" to set up column mappings and generate your first CSV.
Ready to Convert Your JSON Files to CSV/XLS/TSV/Parquet?
Join thousands of developers who trust our OJF for their daily workflow. Fast, reliable, and completely free.
Key Features of OJF
Everything you need to manage your data
Advanced JSON to CSV Features
- Convert complex JSON arrays to CSV spreadsheet format
- Automatic header generation from JSON object keys
- Nested object flattening with customizable dot notation
- Multiple delimiter options (comma, semicolon, tab, pipe)
- Excel and Google Sheets compatibility guaranteed
- Large dataset processing up to 15MB file size
- Real-time CSV preview with column mapping visualization
- Drag-and-drop JSON file upload interface
Data Handling Capabilities
- Preserve data types during CSV conversion process
- Handle missing values and null entries appropriately
- Support for arrays within JSON objects
- Custom date and timestamp formatting options
- Unicode and international character support
- Escape special characters for CSV compliance
- Column ordering and sorting preferences
- Data validation and error detection
Complete JSON to CSV Conversion Guide
Prepare your JSON data - ensure it's an array of objects for best CSV results
Upload your JSON file or paste the data directly into our converter
Select your preferred CSV delimiter (comma recommended for Excel compatibility)
Configure nested object handling - choose flattening or separate columns
Preview the CSV output to verify column headers and data arrangement
Adjust any formatting settings based on your spreadsheet requirements
Download the CSV file and open it in Excel, Google Sheets, or your preferred tool
Why Choose Us?
| Feature | Online JSON Formatt(OJF) | Other Tools |
|---|---|---|
| Nested JSON handling | Advanced flattening | Basic or none |
| File size support | Up to 15MB | 1-2MB typical |
| Delimiter options | Multiple choices | Comma only |
| Excel compatibility | Guaranteed | Variable |
| Real-time preview | ||
| Data type preservation | Limited |