Table to JSON Converter

Convert HTML tables or CSV data into structured JSON format with comprehensive transformation capabilities and instant preview functionality. This data migration tool supports customizable JSON structure options, header row detection, bulk processing, and multiple export formats. Essential for data migration, API development, data analysis, and converting tabular data for modern web applications that require structured data formats for integration and processing.

HTML & CSV Support Header Detection Bulk Processing Multiple Export Formats

Quick Examples

SIMPLE: [{"name": "John", "age": 30}]
NESTED: {"data": [{"id": 1, "details": {"name": "John"}}]}
ARRAY: ["value1", "value2", "value3"]

Pro Tip: Supports CSV, TSV, HTML tables, and pipe-separated values. Auto-detects format!

Input Data

Upload File or Paste Data

Ready for input

JSON Output

No output yet

Conversion Options

Export as numbered objects

Include row index

Trim whitespace

Skip empty rows

Auto-convert numbers

Auto-convert booleans

Custom Delimiter

Text Qualifier

Supported Formats

CSV Format

Name,Age,City
John,25,NYC
Jane,30,LA

TSV Format

Name    Age    City
John    25    NYC
Jane    30    LA

HTML Table

<table><tr><th>Name</th></tr></table>

Pipe Separated

Name|Age|City
John|25|NYC
Jane|30|LA

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

Can I convert both HTML tables and CSV data?

Yes, the tool handles both HTML table markup and CSV data input. Simply paste your content and the tool automatically detects the format and converts it to properly structured JSON data.

How does the tool handle table headers?

The converter automatically detects header rows and uses them as JSON object keys. If no headers are detected, it can generate generic field names or you can specify custom keys for your data structure.

Can I customize the JSON output structure?

Yes, you can choose between array of objects, nested structures, or other JSON formats depending on your needs. The tool provides options for how to structure the converted data.

What happens with complex table structures like merged cells?

The tool handles simple table structures best. Complex tables with merged cells, nested tables, or irregular structures may need manual cleanup or preprocessing before conversion for optimal results.

Can I use this for API development?

Absolutely! Converting tabular data to JSON is perfect for creating API endpoints, importing data into databases, or transforming data between different systems and applications.