File Converters

Live & Functional

JSON to CSV Converter

Convert JSON array or object payloads into clean, formatted CSV text files instantly.

Conversion Settings

CSV Delimiter

Nested Objects

Flatten nested objects (dot notation)

First Row Header

Include header row

What does JSON to CSV Converter do?

To convert a JSON file or API response to CSV, paste your JSON code or upload your .json file to ReadyForFile's free online JSON to CSV converter. Select your preferred CSV delimiter (comma, semicolon, tab) and click 'Download CSV' or 'Copy CSV'. The tool automatically flattens nested JSON objects and formats arrays locally in your browser with zero server data transfers.

About JSON to CSV Converter

Convert JSON data, API payloads, and database dumps into standard CSV (Comma Separated Values) files online for free. Features automatic nested object flattening (dot notation), custom delimiters (comma, semicolon, tab, pipe), live JSON syntax validation, file upload, and direct text paste. All processing runs 100% locally inside your web browser with zero server data transfers.

Features & Capabilities

Instant browser-based JSON to CSV conversion
Upload .json files or paste raw JSON text directly
Automatic dot notation flattening for nested JSON objects
Supports Comma (,), Semicolon (;), Tab (\t), and Pipe (|) delimiters
Live JSON syntax validator with instant error alerts
Copy CSV text to clipboard or download .csv file
100% private: Zero server uploads

Common Scenarios & Use Cases

Converting REST API JSON responses into CSV format for analysis in Excel or Google Sheets
Exporting MongoDB or Firebase JSON database dumps into relational CSV tables
Preparing web scraper JSON data for database imports and business intelligence tools
Converting nested JSON config or log files into flat spreadsheet files

How to Use JSON to CSV Converter

Upload JSON File or Paste Code

Drag and drop your .json file into the dropzone, or paste raw JSON text into the editor.

Configure Options & Delimiter

Choose your target CSV delimiter (comma, semicolon, tab) and header settings.

Download CSV or Copy

Click 'Download CSV' to save your converted file or 'Copy CSV' to copy directly to your clipboard.

Frequently Asked Questions

How do I convert JSON to CSV?

Upload your .json file or paste your JSON code into ReadyForFile's JSON to CSV converter, select your delimiter, and click Download CSV.

Does this converter handle nested JSON objects?

Yes! Nested JSON properties are automatically flattened into readable dot-notation column headers (e.g. user.address.city).

Is my JSON data uploaded to any cloud server?

No. All JSON parsing, object flattening, and CSV generation run 100% locally in your web browser using client-side JavaScript. Your data remains completely private.

Related Tools

View all File Converters tools →

Available