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Client-side ProcessingUpdated 2026-02-11Report issue

Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.

JSON to CSV File Converter

Convert JSON arrays to CSV format with column headers.

FreeRuns in browserjson to csvjson to csv converter
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result

About JSON to CSV File Converter

Convert JSON arrays to CSV format with column headers. Convert JSON arrays to CSV online for free. Flatten nested objects into columns and configure delimiters and quoting options. Download the CSV file instantly. Accurately converts complex nested data structures while preserving hierarchy, types, and special characters. Provides clear error messages for malformed input to help you troubleshoot quickly. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.

Related tools: CSV to JSON File Converter, JSON to XML File Converter, JSON to HTML Table

How to Use JSON to CSV File Converter

  1. Paste your source data into the input area.
  2. Select the target format from the available options.
  3. Click Convert and copy the formatted output.

Frequently Asked Questions

What is JSON to CSV File Converter?
Convert JSON arrays to CSV online for free. Flatten nested objects into columns and configure delimiters and quoting options. Download the CSV file instantly.
Are comments preserved during conversion?
Comment handling depends on the source and target formats. Formats that support comments (like YAML and TOML) will have them parsed, but since most data interchange formats like JSON do not support comments, they may be stripped during conversion.
What happens with invalid input?
The tool validates your input before conversion and displays clear error messages if the data is malformed. This helps you identify and fix syntax issues before attempting the conversion.
Can I convert between nested formats?
Yes, deeply nested and complex data structures are fully supported. The converter preserves the hierarchy, arrays, and key-value pairs from your source format and maps them accurately into the target format.
Is JSON to CSV File Converter free to use?
Yes, all format conversions are free and unlimited. No account is required, and the tool works entirely in your browser.
Is my data safe when using JSON to CSV File Converter?
Yes, your data stays on your device. The conversion runs entirely in your browser, and no data is uploaded to any server.

Related Tools

CSV to JSON File Converter
Convert CSV files to JSON format with header mapping.
JSON to XML File Converter
Convert JSON data to well-formed XML documents.
JSON to HTML Table
Convert JSON arrays to HTML table markup.