Paste JSON data into the input area and click convert to generate an HTML table. Supports JSON arrays and objects, with automatic nested structure flattening. All processing happens locally in your browser.
Completely free, no registration or download required.
No. This is a purely client-side tool. All operations happen locally in your browser.
Nested objects are automatically flattened into multiple columns with dot-separated names. For example, {"address":{"city":"NYC"}} becomes an "address.city" column. Nested arrays are displayed as JSON strings in cells. Enable the "Flatten nested objects" option to recursively expand all object levels.
Yes. The generated HTML includes complete table tags and inline CSS styles that can be copied directly into any HTML page. The code is self-contained with no external CSS or JS dependencies.