JSON to CSV Converter – Free Online Tool
Convert JSON arrays to CSV format instantly with automatic header detection and custom delimiter options. Export structured JSON data into spreadsheet-ready CSV files for free.
About JSON to CSV Converter
CSV format is universal for data exchange with spreadsheets and databases. This tool converts JSON arrays to CSV with automatic header detection, custom delimiters, and proper escaping for special characters.
How it works
The converter extracts all unique keys from your JSON array to create column headers. Each object becomes a row with values properly escaped for CSV format compatibility.
Enable Flatten Nested to convert nested objects into dot-notation columns. Choose your delimiter from comma, semicolon, pipe, or tab based on your target application's requirements.
When you'd use this
You have API data in JSON that needs to go into Excel for analysis or reporting. Convert to CSV and open directly in your spreadsheet application with proper column headers.
CSV works best with flat arrays of similar objects. Highly nested or irregular data structures may produce many empty cells or require preprocessing for clean output.
Questions
How are nested objects handled?
Without flattening, nested objects become JSON strings. Enable Flatten Nested to create separate columns for each nested property.
What delimiter should I use?
Comma is standard but conflicts with data containing commas. Semicolon works well in European locales. Tab is great for Excel imports.
Are special characters escaped?
Yes, values containing the delimiter, quotes, or newlines are properly quoted and escaped according to CSV standards.
Can I exclude the header row?
Yes, uncheck Include Headers to output data rows only. This is useful when appending to existing CSV files with headers.
Can I download the CSV?
Yes. Click Download to save as a .csv file or Copy to paste directly into your spreadsheet or database import tool.