# PPTX Viewer

Free online PPTX viewer for PowerPoint files. Open .pptx, .pptm, .potx, and .potm presentations directly in your browser without uploading them.

> Canonical page: https://elysiatools.com/en/viewers/pptx

- **Category:** PowerPoint Presentations

- **Supported formats:** .pptx, .pptm, .potx, .potm

## Overview

This PPTX viewer displays slide decks locally in your browser. Open a sample or your own presentation to review slide order, text, and visuals without Microsoft PowerPoint.

## When to use

- You need to review a presentation on a machine without PowerPoint or Keynote.
- You want to preview a slide deck privately before sending it to others.
- You need a lightweight way to inspect slide content and layout.

## How it works

- Choose a sample deck or load your own .pptx, .pptm, .potx, or .potm file.
- Slides are rendered in the browser with no server-side conversion step.
- You can move through the deck and switch files whenever needed.

## Use cases

- Reviewing pitch decks, training slides, and internal presentations.
- Checking template-based PowerPoint files before reusing them.
- Reading macro-enabled presentations in a simpler preview environment.

## Samples

- **Simple PPTX Deck**: Lightweight presentation sample with basic slide structure
- **Business PPTX Deck**: Business-style presentation sample for richer layout testing

## Frequently asked questions

### Is this PPTX viewer free?

Yes. It runs in the browser for free and does not require a login.

### Are my presentation files uploaded?

No. Local files stay in the browser. Only built-in public samples are fetched from the server.

### Does it support old .ppt files?

This viewer is designed for modern Office Open XML presentation formats such as .pptx, .pptm, .potx, and .potm.

## Related content

- [PPSX Viewer](https://elysiatools.com/en/viewers/ppsx): Open and preview PowerPoint slide shows (.ppsx, .ppsm) directly in your browser — no upload, no server processing.
- [ODP Viewer](https://elysiatools.com/en/viewers/odp): Open and preview OpenDocument presentations (.odp) directly in your browser — no upload, no server processing.
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- [DOC Viewer](https://elysiatools.com/en/viewers/doc): Open and preview legacy Word documents (.doc, .dot) directly in your browser — no upload, no server processing.
- [XLSX Viewer](https://elysiatools.com/en/viewers/xlsx): Open and preview Excel spreadsheets (.xlsx, .xlsm, .xltx, .xltm) directly in your browser — no upload, no server processing.
- [PDF Viewer](https://elysiatools.com/en/viewers/pdf): Open and preview PDF documents directly in your browser — no upload, no server processing.