Free Online XLSX to HTML Converter

The XLSX extension identifies files commonly known as Office Open XML Worksheet Sheet. It organizes tabular or spreadsheet data into rows, columns, cells, and related values. Spreadsheet and data tools can calculate, analyze, edit, export, or convert the content while retaining the structure supported by the format.

The HTML extension identifies files commonly known as HyperText Markup Language. It stores text or markup in a form suited to writing, documentation, publishing, or structured exchange. Text editors, browsers, and document tools can inspect, transform, render, or convert the content.