Is JSON to CSV Converter completely free?

Yes, it's 100% free with unlimited conversions. No registration, login, or credit card required. All features are accessible without any premium tier.

Can I convert large JSON files?

Yes, the converter handles files up to 50MB. Processing occurs locally in your browser, so conversion speed depends on your device. Larger files may take 5-10 seconds to process.

What happens to my data after conversion?

Your data never leaves your device. All processing happens in your browser locally. We don't store, log, or transmit your files to any server.

How does it handle nested JSON objects?

Nested objects are flattened using dot notation. For example, {user: {name: 'John', address: {city: 'NYC'}}} becomes columns: user.name, user.address.city.

Works on mobile and tablet?

Yes, fully responsive and works on iPhone, Android, iPad, and all tablets. No app installation needed—just open in your mobile browser.

What JSON formats are supported?

Supports JSON arrays [{...}, {...}], JSON objects with array values, and mixed nested structures. Each array item becomes a CSV row with keys as column headers.

Can I customize column order in the CSV?

Yes, click 'Advanced Options' to manually reorder columns by dragging them. You can also exclude specific columns before downloading.

Does it handle special characters and Unicode?

Yes, it preserves all Unicode characters, emojis, accents, and special symbols. CSV output maintains proper encoding for Excel and Google Sheets compatibility.

free

JSON to CSV Converter — free

Convert JSON data to CSV format online for free. Download as spreadsheet.

JSON Input

Delimiter

How to use JSON to CSV Converter

Paste Your JSON Data

Click the text input field labeled 'Paste JSON here' and paste your JSON array or object. Ensure your data is valid JSON format with proper brackets and quotation marks.

Click the Convert Button

Press the blue 'Convert to CSV' button located below the input field. The tool processes your data instantly in the browser without uploading to any server.

Review the CSV Output

Your converted CSV appears in the output preview box on the right side. Column headers are automatically extracted from JSON keys. Nested objects are flattened using dot notation (e.g., address.street).

Download Your File

Click the green 'Download CSV' button to save the file as filename.csv to your computer. Open with Excel, Google Sheets, or any spreadsheet application.

Frequently Asked Questions

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