JSON to HTML Table Generator

Generate HTML tables from JSON data with styling options, responsive design, and export functionality

✨ JSON to HTML Table ✨ Multiple Table Styles ✨ Responsive Design ✨ Color Themes ✨ Sortable Headers ✨ Search Functionality ✨ Pagination Support ✨ Copy HTML & CSS ✨ Download Table

Table Styling Options

About This Tool

Our JSON to CSV Converter is a powerful, free online tool that transforms JSON (JavaScript Object Notation) data into CSV (Comma-Separated Values) format. Whether you're a developer working with APIs, a data analyst processing datasets, or anyone who needs to convert structured data for use in spreadsheets, this tool provides a quick and reliable solution.

Key Features:

  • Instant Processing: Convert JSON to CSV in real-time as you type or paste data
  • Nested Object Support: Option to flatten complex nested JSON structures
  • Flexible Delimiters: Choose from comma, semicolon, tab, or pipe separators
  • Header Control: Include or exclude column headers as needed
  • Direct Download: Save your converted CSV file directly to your device
  • Copy to Clipboard: Quickly copy results for use in other applications
  • Privacy First: All processing happens in your browser - no data uploaded

Perfect For:

  • Converting API responses for spreadsheet analysis
  • Preparing data for Excel or Google Sheets import
  • Transforming database exports
  • Creating reports from JSON data
  • Data migration and ETL processes

How to Use

  1. Prepare your JSON data:
    Ensure your JSON is formatted as an array of objects. Each object represents a row, and object properties become columns.
  2. Paste or type your JSON:
    Enter your JSON data in the input textarea. You can also click "Load Sample" to see an example or upload/drag & drop a JSON file.
  3. Configure options:
    • Toggle "Include Headers" to add/remove column names
    • Enable "Flatten Nested Objects" for complex JSON structures
    • Select your preferred delimiter (comma, semicolon, tab, or pipe)
  4. Review the output:
    The CSV will be generated automatically in the output area.
  5. Export your data:
    Click "Download CSV" to save the file, or "Copy" to copy it to your clipboard.

💡 Pro Tips:

  • • Use the sample data to understand the expected JSON format
  • • For nested objects, try the "Flatten" option to create separate columns
  • • Choose semicolon delimiter for Excel compatibility in some regions
  • • Large datasets? Consider processing in smaller batches for better performance

⚠️ Common Issues & Solutions:

JSON parsing error: Unexpected token

Check for missing quotes, trailing commas, or invalid JSON syntax. Use the sample data as a reference.

Nested objects not flattening correctly

Enable the 'Flatten Nested Objects' option and ensure your JSON structure is consistent across all objects.

CSV output has extra columns

This happens when objects have different properties. Consider normalizing your JSON data first.

Special characters not displaying correctly

Ensure your JSON is properly encoded in UTF-8 and avoid using control characters.

🚀 Advanced Use Cases:

  • API Response Processing: Convert paginated API responses into CSV for bulk analysis
  • Log File Analysis: Transform JSON log entries into CSV for spreadsheet analysis
  • Database Migration: Convert JSON exports to CSV for importing into relational databases
  • Report Generation: Create CSV reports from JSON data for stakeholder distribution
  • Data Transformation: Prepare JSON data for machine learning models that expect CSV input

Frequently Asked Questions

What JSON format is supported?

The tool accepts an array of objects where each object represents a table row. All objects should have the same keys, which become the table headers.

Can I customize the table appearance?

Yes! Choose from multiple styles (basic, striped, bordered, hover, compact, modern), adjust colors, width, and add features like sorting and search.

Is the generated table responsive?

Yes, when the responsive option is enabled, the table includes CSS media queries to adapt to smaller screens with horizontal scrolling.

How do I use the sortable feature?

Enable 'Sortable' to add click handlers to table headers. You'll need to implement the JavaScript sorting logic in your application.

Can I download the complete HTML file?

Yes! Click 'Download' to get a complete HTML file with embedded CSS that you can open in any browser or use in your project.

What if my JSON has nested objects or arrays?

The tool works best with flat objects. Nested objects will display as '[object Object]'. Consider flattening your data or converting nested values to strings first.