Convert JSON to CSV
Convert JSON data structure to CSV (Comma-Separated Values) format.
Input (JSON)
Options
Output (CSV)
Example: Before and After
Before (input)
[{"name":"Ada","score":9},{"name":"Lin","score":7}]After (output)
name,score Ada,9 Lin,7
About This Tool
Transform JSON data into CSV (Comma-Separated Values) format for use in spreadsheets and data analysis tools. This tool flattens JSON arrays of objects into tabular rows and columns, automatically generating headers from object keys and handling nested structures.
Common Use Cases
- Exporting JSON API data to Excel or Google Sheets
- Converting JSON reports to spreadsheet format
- Preparing JSON data for data analysis in tools like pandas
- Creating downloadable CSV exports from JSON responses
- Migrating JSON data to relational database imports
How to Use
- Paste your JSON array of objects
- The tool extracts keys as column headers
- Each object becomes a CSV row
- Download or copy the CSV output
Features
- Automatic header generation from JSON keys
- Handles nested objects with dot notation
- Properly escapes CSV special characters
- Supports arrays of objects
Tips
For best results, use JSON arrays where each object has consistent keys. Nested objects will be flattened using dot notation.
Frequently Asked Questions
Is my input stored or logged?
No. This tool is designed to run in your browser, and we do not store or log your content during processing.
Is conversion instant?
Yes for most inputs. Output updates immediately, and large inputs may take a moment depending on your device.
Can this handle large text?
It can handle large text, but performance depends on your browser and device. For very large files, consider splitting the input.
Does it support mobile?
Yes. The interface is responsive and works on phones and tablets, so you can use it on the go.
Can I use it for commercial projects?
Yes. You are free to use the output in personal or commercial projects without attribution.
Does this affect numbers or punctuation?
Only if the selected options target them. Otherwise, numbers and punctuation are preserved as-is.