local / HTML table / JSON

Convert an HTML table to JSON.

Select a table, verify its rows and columns, then save it. Parsing and conversion stay in this browser.

Enter HTML

HTML textOr choose a local HTML file

Table to convert Use the first row as headers without thead

Enter HTML first.

Limits: 2 MiB input / 50 tables / 10,000 rows / 100 columns / 500,000 cells. No external fetch, storage, or analytics.

Use thead as headers when present and pad missing cells with empty strings.
Expand rowspan and colspan within safe bounds; preserve duplicate and blank header strings.
Scripts, styles, and iframes in input are not executed or fetched; JSON is saved only by explicit action.