JSON Tools
JSON to CSV Converter Online Free
Convert JSON arrays into CSV format online for Excel, Google Sheets, reports, databases and business workflows. Supports nested object flattening and CSV download.
Input Records
2
CSV Rows
0
Columns
0
About JSON to CSV Converter
JSON to CSV conversion is useful when structured application or API data needs to be reviewed in Excel, imported into reporting software or handed to a business team. The difficult part is not converting simple rows; it is deciding how nested objects and arrays should become a flat table. Customer properties can become columns such as customer.name, but an order containing several payments or line items cannot fit cleanly into one row without flattening, repeating parent values or creating separate tables. Choose the output according to the task: a flat export is convenient for analysis, while complex ERP/ePOS relationships may be better preserved through multi-sheet Excel or parent-child rows. Review null values, delimiters, embedded commas, line breaks and character encoding before importing the CSV into another tool. This converter runs locally in the browser and is intended for practical exports and analysis workflows.
Where This Helps in Real Work
Common Mistakes to Avoid
- • Flattening child arrays into unreadable or duplicated columns
- • Failing to quote values containing commas or line breaks
- • Assuming spreadsheet applications will preserve long IDs and leading zeros
- • Using CSV when multiple related tables are required
Practical Best Practices
- ✓ Choose multi-sheet Excel for complex relational data
- ✓ Treat identifiers as text when formatting matters
- ✓ Check delimiters and UTF-8 encoding
- ✓ Validate row counts and totals after export
Key Features
How to Use
- Paste or upload JSON containing an array of records.
- Choose the available flattening options.
- Preview columns and sample rows.
- Download CSV and verify totals in the target application.
Worked Example
Input
[{"id":"001","customer":{"name":"Asha"},"total":250}]Output
id,customer.name,total 001,Asha,250
Frequently Asked Questions
What JSON structure works best for CSV?
An array of similarly shaped objects produces the clearest table.
How are nested objects handled?
Nested properties can be flattened into column paths such as customer.name.
What about nested arrays?
Arrays may require joining, repeated rows or a multi-sheet export depending on the relationship.
Is conversion local?
Yes. It runs in your browser.