PowerPoint (PPTX) Converter
Convert PPTX presentation files to PDF, ODP, Word and Text — free, in batches, files up to 10 GB, with no sign-up and no watermark.
Drop your PPTX file
Choose the format you need
Download the result
Choose file
or drag & drop — document, spreadsheet or presentation files
Free · Unlimited · No sign-up · Max 10 GB
Your privacy is our mission. Most files are converted right in your browser and never leave your device. Only large files, or formats a browser cannot process, are sent to our server over an encrypted connection — they are never stored, never shared, and deleted as soon as your download is ready.
What Is a PPTX File?
PPTX is the PowerPoint presentation format: slides, speaker notes, animations and embedded media. Google Slides, Keynote and LibreOffice Impress open it as well. PPTX is a format rather than a compression method — zipped XML with slides, layouts and media. What is inside decides the quality.
PPTX Facts
| Full name | Microsoft PowerPoint Presentation (Office Open XML) |
|---|---|
| File extension | .pptx |
| Type | Presentation |
| How it stores data | Zipped XML with slides, layouts and media |
| Created by | Microsoft, 2007 |
| Best for | slides that will be presented or edited |
| Watch out | fonts and animations can change on another computer — PDF is safer for handing out |
| Opens with | Microsoft PowerPoint, Google Slides, LibreOffice Impress, Apple Keynote |
How to Open a PPTX File
A .pptx file opens with Microsoft PowerPoint, Google Slides, LibreOffice Impress, Apple Keynote. If none of those is at hand — or the file has to go into a program, device or website that refuses PPTX — convert it: PDF, ODP and Word are the usual choices.
Convert PPTX to Another Format
Convert Other Formats to PPTX
Frequently Asked Questions
What is a PPTX file?
PPTX is the PowerPoint presentation format: slides, speaker notes, animations and embedded media. Google Slides, Keynote and LibreOffice Impress open it as well.
How do I open a .pptx file?
With Microsoft PowerPoint, Google Slides, LibreOffice Impress, Apple Keynote. If your device or program does not accept it, convert the file to a format it does.
How do I convert a PPTX file?
Drop the file into the converter on this page, choose the target format — PDF, ODP, Word and Text — and press Convert. It is free, there is no account and several files can be converted at once.
Is PPTX lossy or lossless?
PPTX is a format rather than a compression method — zipped XML with slides, layouts and media. What is inside decides the quality.
What is PPTX good for, and what are its limits?
Best for: slides that will be presented or edited. Watch out: fonts and animations can change on another computer — PDF is safer for handing out.
Is the PPTX converter free, and how big can the files be?
It is free, with no account, no watermark and no daily limit. Files can be up to 10 GB each.
Which formats can be converted to PPTX?
PDF and ODP.