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Documentation Core Tools Json To Csv

Frequently Asked Questions

Common questions and answers about the JSON to CSV converter tool.

General Questions

What is the JSON to CSV converter?

The JSON to CSV converter is a web-based tool that transforms JSON (JavaScript Object Notation) data into CSV (Comma-Separated Values) format. It's designed for data analysis, reporting, and integration with spreadsheet applications.

Is my data secure?

Yes, your data is completely secure. All processing happens in your browser - no data is sent to external servers. Your information never leaves your device.

Do I need to install anything?

No installation required. The tool runs entirely in your web browser and works on any modern device with internet access.

Is the tool free to use?

Yes, the JSON to CSV converter is completely free to use with no limitations or restrictions.

Technical Questions

What browsers are supported?

The tool works in all modern browsers:

  • Chrome 60+
  • Firefox 55+
  • Safari 12+
  • Edge 79+

What's the maximum file size I can process?

There's no hard limit, but performance depends on your device's memory. Generally:

  • Small files (< 1MB): Instant processing
  • Medium files (1-10MB): Fast processing
  • Large files (> 10MB): May take a few seconds

Can I process nested JSON objects?

Yes, the tool automatically flattens nested objects using dot notation. For example:

{ "user": { "name": "John", "age": 30 } }

Becomes:

user.name,user.age
John,30

How are arrays handled?

Arrays within objects are converted to JSON strings to preserve their structure:

{ "tags": ["red", "blue", "green"] }

Becomes:

tags
"[""red"",""blue"",""green""]"

Data Format Questions

What JSON formats are supported?

The tool supports:

  • Arrays of objects: [{"name": "John"}, {"name": "Jane"}]
  • Single objects: {"name": "John", "age": 30}
  • Nested objects: Automatically flattened
  • Mixed data types: Numbers, strings, booleans, null

What CSV formats can I generate?

You can create:

  • Standard CSV (comma-separated)
  • European CSV (semicolon-separated)
  • Tab-separated values (TSV)
  • Pipe-separated values
  • Custom delimiter formats

How are special characters handled?

Special characters are properly escaped:

  • Quotes: "Hello" becomes ""Hello""
  • Commas: Smith, John becomes "Smith, John"
  • Newlines: Preserved with proper escaping

What about international characters?

The tool supports all Unicode characters through UTF-8 encoding:

  • Chinese: 中文
  • Japanese: 日本語
  • Arabic: العربية
  • Emojis: 🚀 📊 ✅

Usage Questions

How do I include column headers?

Enable the "Include Headers" option in the conversion settings. This adds the first row with column names.

Can I customize the delimiter?

Yes, choose from:

  • Comma (,) - Standard CSV
  • Semicolon (;) - European format
  • Tab - TSV format
  • Pipe (|) - Custom format

How do I handle empty values?

Empty or null values are converted to empty strings in the CSV output. You can customize this behavior in the conversion options.

Can I save my conversion history?

Yes, the tool automatically saves your last 50 conversions locally in your browser. You can load previous conversions or clear the history.

Error Handling

What if my JSON is invalid?

The tool will highlight the error and show a message like "Invalid JSON format. Please check your input." Common issues include:

  • Missing commas between objects
  • Unmatched brackets or braces
  • Unescaped quotes
  • Trailing commas

Why is my CSV empty?

This usually happens when:

  • The JSON input is empty
  • The JSON contains only empty arrays or objects
  • There's a validation error preventing conversion

How do I fix conversion errors?

  1. Validate your JSON using an online JSON validator
  2. Check for common syntax errors
  3. Ensure consistent object structure
  4. Remove any trailing commas

Performance Questions

How fast is the conversion?

Conversion speed depends on data size:

  • Small datasets (< 100 records): Instant
  • Medium datasets (100-1000 records): < 1 second
  • Large datasets (> 1000 records): 1-5 seconds

Can I process very large files?

Yes, but consider:

  • Browser memory limitations
  • Processing time increases with size
  • For very large files, consider splitting the data

Does the tool work offline?

Yes, once the page is loaded, the tool works completely offline. No internet connection is needed for conversion.

Integration Questions

Can I use this in my application?

The tool is designed for web use, but you can:

  • Use the browser version for manual conversions
  • Implement similar logic in your applications
  • Use the provided code examples for integration

How do I import the CSV into Excel?

  1. Convert your JSON to CSV
  2. Copy the CSV data
  3. Open Excel
  4. Paste the data
  5. Use "Text to Columns" if needed

Can I use this with Google Sheets?

Yes, the generated CSV is compatible with Google Sheets:

  1. Convert JSON to CSV
  2. Download the CSV file
  3. Import into Google Sheets
  4. Or copy/paste directly

Troubleshooting

The tool isn't working in my browser

Try these solutions:

  1. Update your browser to the latest version
  2. Clear browser cache and cookies
  3. Disable browser extensions temporarily
  4. Try a different browser

I'm getting encoding issues

For international characters:

  1. Use UTF-8 encoding
  2. Ensure your JSON is properly encoded
  3. Check that your target application supports UTF-8

The CSV looks wrong in Excel

This might be due to:

  1. Delimiter settings (use semicolon for European Excel)
  2. Encoding issues (save as UTF-8)
  3. Quote escaping problems

My data is being truncated

Check for:

  1. Very long text fields
  2. Special characters causing issues
  3. Browser memory limitations
  4. Excel cell character limits (32,767 characters)

Advanced Questions

Can I convert CSV back to JSON?

This tool only converts JSON to CSV. For reverse conversion, you'll need a separate CSV to JSON tool.

How do I handle complex nested structures?

The tool flattens nested objects automatically. For very complex structures:

  1. Consider preprocessing your JSON
  2. Use a more specialized tool
  3. Manually restructure your data

Can I customize the output format?

Current customization options include:

  • Delimiter selection
  • Encoding choice
  • Header inclusion
  • Quote escaping

Is there an API version?

Currently, this is a web-based tool only. For programmatic access, you can implement the conversion logic using the provided code examples.

Support Questions

Where can I get help?

  • Check the documentation sections
  • Review the examples
  • Test with sample data
  • Contact support if issues persist

Can I suggest new features?

Yes, we welcome feature suggestions. Please provide details about:

  • The specific feature you need
  • Your use case
  • How it would improve your workflow

Is there a mobile version?

The tool works on mobile browsers, but for best experience:

  • Use landscape orientation for large datasets
  • Consider using a tablet for complex data
  • Ensure stable internet connection for initial loading
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