Convert PPSX to ODP online in seconds — free, with no sign-up. ODP is lossless and ideal for open-source presentations. Your files are encrypted and deleted automatically after 24 hours.
ODP
OpenDocument Presentation — The open-standard presentation format used by LibreOffice.
How to convert PPSX to ODP
- 1Upload your PPSX file
Click “Choose a file” or drag and drop your PPSX file onto the page — no sign-up or email needed.
- 2Convert to ODP
ODP is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your ODP file
Your ODP file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
Frequently asked questions
Does converting PPSX to ODP lose quality?
Converting PPSX to ODP preserves your text, images and most formatting. Very complex elements — macros, live formulas or unusual fonts — may not carry over perfectly, but the content stays intact.
Is the PPSX to ODP converter free?
Yes — converting PPSX to ODP is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my PPSX files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert PPSX to ODP on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert PPSX to ODP?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert PPSX files to?
Besides ODP, you can convert PPSX to PDF, PPTX and more — see the full list of PPSX conversions below.
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Last updated July 2026