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"]
Input Data
Ready for input
JSON Output
No output yet
Conversion Options
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
Probeer het nu eens - het zou perfect moeten werken!

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.

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