Presentation Conversion
Convert PPSX to ODP Online — Free
Fast, free PPSX to ODP converter. No registration required.
or import from
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
1
Upload your .ppsx file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .odp file when it's ready.
What is PPSX?
PPSX is the modern PowerPoint slideshow format that opens directly in presentation mode. It uses the same Open XML structure as PPTX but starts the slideshow automatically.
Format Details
- Full Name
- PowerPoint Open XML Slideshow
- Extension
- .ppsx
Key Features
- Direct slideshow
- Open XML format
- Auto-play mode
- Modern PowerPoint
What is ODP?
ODP is the open-standard presentation format used by LibreOffice Impress. It provides a free, vendor-neutral alternative to PowerPoint.
Format Details
- Full Name
- OpenDocument Presentation
- Extension
- .odp
Key Features
- Open standard
- LibreOffice native
- Presentations
- Free software
PPSX vs ODP
| Feature | PPSX | ODP |
|---|---|---|
| Full Name | PowerPoint Open XML Slideshow | OpenDocument Presentation |
| Extension | .ppsx | .odp |
| Best For | Direct slideshow | Open standard |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.