JSON to HTML Table

JSON to HTML table conversion

This JSON to HTML table tool converts object arrays, two-dimensional arrays, single objects, and simple values into a structured HTML table. It detects columns, handles missing fields, escapes cell content, and provides a live preview plus copy and download actions.

Automatic structure detection

Object arrays, 2D arrays, and single objects are supported without manual restructuring.

Safe HTML output

Cell values and captions are HTML-escaped so JSON text is not executed as markup.

Ready to reuse

Copy the generated HTML into webpages, documents, email templates, or static pages for further editing.

How to use

Paste valid JSON into the input. Object arrays, 2D arrays, and single objects are supported.
Optionally enter a caption, choose whether to generate headers, and click Generate table.
Check the preview, then copy the HTML or download a standalone html file.

Frequently asked questions

Why is my JSON invalid?

Check paired quotes, commas, square brackets, and braces. JSON does not allow trailing commas or unquoted property names.

What happens when an object misses a field?

All keys found across objects become columns. A missing value is rendered as an empty cell, while nested objects are written as JSON text.

Is the generated HTML uploaded?

The conversion runs in your browser and the result is generated locally. The input is not uploaded as part of this conversion.

JSON to HTML Table