Tool
PowerPoint to PDF
Convert PowerPoint presentations to PDF.
PowerPoint to PDF Converter: Share Slides Without PowerPoint
Sharing a deck with someone who doesn't have PowerPoint, locking in a final version before review, or shrinking a huge presentation so it will actually email — all of these usually start with converting the .pptx to PDF. ConvertBrio's PowerPoint to PDF converter does it in the browser, free, with one page per slide and no watermark.
A PDF opens on any device, can't be accidentally edited, and — for image-heavy decks — is often far smaller than the original .pptx once you also run it through Compress PDF.
How to use this tool
- 1
Save your presentation as .pptx
In PowerPoint, File → Save As → PowerPoint Presentation (.pptx). Legacy .ppt isn't supported.
- 2
Upload the file
Drag it into the box or browse. One file per run, up to 100 MB.
- 3
Convert to PDF
ConvertBrio renders each slide as a full page. The PDF downloads automatically.
- 4
Optionally compress it
If the deck is image-heavy and the PDF is still large, run it through Compress PDF to re-encode the embedded images.
Why convert to PDF before sharing
A .pptx needs PowerPoint or a compatible viewer, and can render differently depending on which fonts the recipient has installed — bullet points shift, text overflows its box, a custom font falls back to something generic. A PDF is fixed: what you send is exactly what they see, on a phone, a Mac, or a locked-down work laptop with no Office.
Making a PowerPoint smaller
A dedicated Compress PowerPoint tool that keeps the file editable is still in development. In the meantime, the most reliable way to get a presentation's size down for email is this two-step route:
Convert the .pptx to PDF here, then run the PDF through Compress PDF. That re-encodes every embedded photo and screenshot at an efficient quality and downsizes oversized images — which is where nearly all of a heavy deck's weight lives. The result is a shareable, universally-viewable file, usually a fraction of the original size. The trade-off is that the output is a PDF, not an editable deck.
What carries over, and what doesn't
Text, images, and slide layout convert cleanly. Animations and slide transitions don't exist in a static PDF, so they're dropped. Charts, SmartArt, and embedded tables are rendered as they appear on the slide but aren't interactive. If your deck leans heavily on builds and animation, review the PDF before sending so you know how it reads without motion.
Privacy and limits
The file is encrypted in transit, converted automatically with no human review, and both the upload and the PDF are deleted within 24 hours. One .pptx per run, up to 100 MB, free, no account, no watermark.
Related Tools
PowerPoint to PDF — FAQ
Common questions about converting PowerPoint presentations to PDF.
How do I convert a PowerPoint file to PDF for free?
Upload your .pptx to ConvertBrio's PowerPoint to PDF tool and it generates a PDF with one page per slide, ready to download — no PowerPoint installation, no account, no watermark.
How do I compress a PowerPoint to email it?
Convert the .pptx to PDF here, then run that PDF through Compress PDF. It re-encodes the embedded images, which is where most of a large deck's size comes from. The result is much smaller, though it's a PDF rather than an editable presentation.
Will animations or transitions carry over?
No — a PDF is static, so animations and transitions are dropped. Text, images, charts, and slide layout are preserved as they appear on each slide.
Does this work with legacy .ppt files?
Only the modern .pptx format. Open the file in PowerPoint and save it as .pptx (File → Save As), then convert.
Can I put one PDF page per two slides, or handout layout?
Not currently — the converter renders one full slide per page. For handout-style layouts, export from PowerPoint directly.