JSON to CSV Converter
Convert JSON arrays to CSV format instantly. Perfect for exporting API responses, database results, or any JSON data into spreadsheet-compatible CSV files for analysis in Excel, Google Sheets, or other tools.
Recommended Settings
JSON to CSV Conversion Best Practices
- •Ensure your JSON is an array of objects with consistent keys across all items
- •Column headers are built from the union of all keys across every object
- •Missing keys in a given object result in empty CSV cells for that row
- •Complex nested objects or arrays may not convert cleanly to flat CSV
- •Values containing commas, quotes, or line breaks are automatically escaped per CSV spec
Data Handling & Export
- •CSV format is ideal for importing data into Excel, Google Sheets, or databases
- •Date values should be formatted consistently before conversion
- •Large datasets may take a moment to process - be patient
- •Test your CSV output with a small sample before processing large files
- •Use UTF-8 encoding to preserve special characters and international text
Pro Tips
- •JSON arrays work best with objects that share the same structure
- •Values with commas, quotes, or newlines are automatically wrapped in quotes per CSV standards
- •Empty or null values are converted to empty CSV cells
- •Download feature saves as .csv file ready for Excel or Google Sheets
Most Popular
Flat JSON arrays with consistent object keys, automatic escaping
When to Use This Tool
Convert API response data from JSON format into CSV for analysis in spreadsheet tools. Perfect for exporting customer data, transaction logs, or analytics results from REST APIs.
Transform database query results returned as JSON into CSV format for sharing with non-technical team members or importing into business intelligence tools.
Prepare JSON data for import into systems that accept CSV format. Many legacy systems and bulk import tools require CSV, making this converter essential for data migration projects.
Generate CSV reports from JSON data for stakeholders who prefer working with Excel or Google Sheets. Enables data analysis, pivot tables, and charting in familiar spreadsheet applications.
How It Works
Paste your JSON array into the input field (must be an array of objects)
Click 'Convert to CSV' to transform your data
Review the CSV output - the first row contains headers built from the object keys
Click 'Copy' to copy the CSV to your clipboard, or 'Download' to save as a file
Import the CSV file into Excel, Google Sheets, or any spreadsheet tool
100% Private
Files never leave your device. All processing happens locally in your browser.
Lightning Fast
Powered by Pure JavaScript for optimal performance on modern browsers.
Secure
No data collection, no tracking, no sign-up required.
Frequently Asked Questions
What JSON format does this tool accept?
The tool requires a JSON array of objects. For example: [{"name": "John", "age": 30}, {"name": "Jane", "age": 25}]. Each object becomes a row, and its keys become column headers.
What happens if objects have different keys?
Column headers are built from the union of keys across all objects in the array. If a given object is missing a key that another object has, that cell is left empty in the CSV output.
Can I convert nested JSON objects?
This tool works best with flat JSON objects. Nested objects or arrays within your JSON will be converted to strings, which may not format nicely in CSV. Consider flattening your JSON structure before conversion.
How are special characters handled?
Values containing commas, quotes, or line breaks are automatically escaped according to CSV standards. They're wrapped in quotes, and any existing quotes are doubled ("") to escape them properly.
What's the maximum file size I can convert?
The tool processes data in your browser, so limits depend on your device's memory. Most typical API responses and datasets (up to several MB) should convert without issues. For very large datasets, consider splitting into smaller chunks.