How to Use the HTML Table to JSON & CSV Data Extractor
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1
Paste HTML containing a `
...
` element, or a complete HTML webpage segment. -
2
Select your desired output structure: Array of Objects (keyed by header) or 2D Array of Rows.
-
3
Instantly copy the generated JSON or download as a `.json` / `.csv` file.
Practical Example & Use Case
Common Real-World Scenario
Pasting an HTML table copied from an online financial report and converting it into a clean JSON array for an automated web app.
Technical Notes & Limitations
Browser Engine Architecture
Uses browser DOMParser for parsing of complex nested tables with colspan/rowspan awareness.
Frequently Asked Questions
What happens if a table doesn't have header tags?
The tool uses the first row of
cells as headers, or falls back to generic column keys (col1, col2, etc.).
The tool uses the first row of