docx, xlsx and pptx — right in your browser

Open Word files (.docx), Excel files (.xlsx) and PowerPoint files (.pptx) as they look in Microsoft Office.

Word, Excel and PowerPoint documents open in ibisOffice

ibisOffice is an office suite built with Rust and the GPU. This playground runs it with WebAssembly and WebGPU: open the sample documents below, or your own files. Nothing is installed, and nothing is uploaded.

This browser does not support WebGPU. Please use the latest Chrome, Edge or Safari (26 or later).

Try the sample documents Open your own file

Sample documents

The same three files we use for our speed benchmarks. Click one to open it in ibisOffice.

A page of the securities registration statement, drawn by ibisOffice

DOCX Securities registration statement 140–154 pages in English, 0.12 MB Open →

The first sheet of the coffee chain sales report, drawn by ibisOffice

XLSX Coffee chain sales report 22 sheets, 29 charts, 589,000 formulas, 13.7 MB Open →

The first slide of the earnings presentation, drawn by ibisOffice

PPTX Earnings presentation 31 slides, 35.9 MB Open →

Open your own file

Open a .docx, .xlsx or .pptx file from your computer.

Drop a file here, or

Your file never leaves your device. ibisOffice reads and draws the file entirely inside your browser. It is not sent to any server.

Desktop app: Download

About this playground

Browsers

Needs WebGPU: the latest Chrome or Edge, or Safari 26 or later.

First load

The app is downloaded the first time you open a document, so it may take a moment. After that it opens from your browser's cache.

Desktop app

Some features, such as PDF export and video playback, are available only in the desktop app.

Source code

ibisOffice is open source under AGPL-3.0, with a commercial license also available. github.com/ibisjp/ibis-office