A PowerPoint deck looks great on the presenter's screen but isn't ideal for sharing. PPTX files can be heavy, the recipient may not have PowerPoint, and on another computer fonts get swapped and carefully aligned boxes drift apart. That's why teachers, review committees, clients and event organizers almost always ask for slides as PDF.
The easiest way is an online PowerPoint to PDF converter: upload a PPT, PPTX, PPS, PPSX or ODP file and download a PDF where each slide is a page. Below you'll find detailed steps, preparation tips, alternatives and fixes for common problems.
Quick answer: how to convert a presentation to PDF online
- Open the PowerPoint to PDF page.
- Drag up to 20 presentations into the upload area.
- Click Convert to PDF.
- Download the PDFs — one per presentation.
Why convert a presentation to PDF
- Consistent look. Fonts, layout, colors and images are fixed, so slides look the same on Windows, macOS, Android and iPhone.
- No PowerPoint required. PDF opens in any browser or standard viewer.
- Easy to share. Many application portals and learning platforms accept only PDF.
- Handouts. Attendees can print, annotate and archive your slides.
- Protection from edits. Nobody accidentally moves slides or changes figures in your proposal.
How to convert PowerPoint to PDF online, step by step
- Open the converter. Go to PowerPoint to PDF. It works in any browser, no sign-up needed.
- Upload presentations. Drag files in or click to select them. PPT, PPTX, PPS, PPSX and ODP are supported — up to 20 files, 100 MB total.
- Start the conversion. Click Convert to PDF. LibreOffice processes the files on our server in a background queue.
- Download the results. Each presentation gets its own PDF link. One slide equals one page, in the original order.
- Check the PDF. Make sure fonts, charts and images look right.
Keep in mind: PDF is static, so animations, transitions, video and audio are not kept — each slide appears in its final state. Speaker notes are not included. Hidden slides may be left out, so check which slides are hidden before converting.
How to prepare your presentation
Use common fonts or embed them
An uncommon font that isn't on the server gets replaced with a similar one, which can make text wider and overflow its box. Either stick to Arial, Calibri, Times New Roman, Verdana, Roboto or Open Sans, or embed fonts: in PowerPoint for Windows go to File → Options → Save and enable Embed fonts in the file (preferably all characters).
Leave breathing room in text boxes
Even similar fonts differ slightly in width. Don't fill text boxes to the edge.
Replace video with a still frame
Video, GIF animation and audio don't play in PDF. Put a screenshot on the slide and add the video link as text.
Check animated slides
Objects that appear one after another in the same spot will all show at once in the PDF and may overlap. Split such content across several slides.
Move key points from notes onto slides
Speaker notes aren't exported. Add short explanations on the slides or send a separate script.
Compress heavy images
Select an image and use Picture Format → Compress Pictures at 150–220 ppi to cut file size without visible loss on screen.
Remove spare and hidden slides
Delete backup slides and drafts from a copy of the file before uploading.
Decide on the slide size
PDF page size follows the slide size set in the presentation. Widescreen 16:9 slides produce wide landscape pages, while classic 4:3 slides are closer to square. If the PDF will be printed on A4 or Letter, 4:3 uses the sheet more efficiently; for viewing on laptops and monitors, 16:9 works better. Change the size before final layout under Design → Slide Size, since boxes may need manual adjustment afterwards.
Tips for different scenarios
Thesis or project defense
Committees often ask for slides in advance and show them from another computer. A PDF is your insurance: even with an older PowerPoint or a different app, the slides open without distortion. Send the PDF along with the original PPTX and check that charts and formulas remain readable when printed in black and white.
Sales proposal for a client
Your client will probably open the email on a phone. A compact PDF loads fast and looks exactly as designed. Compress images, keep contact details and links as text, and add a password if the document contains individual pricing.
Handouts after a conference or webinar
Attendees usually expect slides within a day. Remove backup slides from a copy, replace videos with screenshots and links, convert the deck, and if there are several speakers, merge all PDFs into one collection.
Other ways to save a presentation as PDF
Microsoft PowerPoint
File → Save As → PDF or File → Export → Create PDF/XPS, with options for slide ranges, handouts and notes pages. Pros: most accurate rendering, notes export. Cons: paid app, one file at a time.
LibreOffice Impress
File → Export as PDF. Pros: free and offline. Cons: installation needed. Our service uses the same engine.
Google Slides
Upload the PPTX to Google Drive, open it in Slides and choose File → Download → PDF. Pros: free, browser-based. Cons: Google account required, some effects and fonts may change on import.
Keynote and Print to PDF on Mac
Keynote opens PPTX and exports to PDF; any macOS app can print to PDF. Pros: built in. Cons: Mac only, layout may differ.
Microsoft Print to PDF on Windows
Choose this printer in PowerPoint's print dialog. Pros: built in. Cons: requires PowerPoint, links stop working.
Comparison
| Method | Install | Batch | On phone | Cost |
|---|---|---|---|---|
| my-pdf.ru online converter | No | Up to 20 | Yes | Free |
| Microsoft PowerPoint | Yes | No | Limited | Paid |
| LibreOffice Impress | Yes | No | No | Free |
| Google Slides | No, account needed | No | Yes, via app | Free |
| Keynote / Print to PDF | macOS only | No | No | Free |
To convert without installing anything — on someone else's computer or your phone — use the PowerPoint to PDF converter.
Common problems and fixes
Fonts look different or text overflows
A rare font was substituted. Embed fonts or switch to common ones, leave space in text boxes and convert again.
Video shows as a blank box or first frame
That's expected — PDF doesn't play media. Use a screenshot plus a link.
Objects overlap
Animated objects appear simultaneously in PDF. Spread them across slides.
The PDF is too big for email
Compress images before converting or run the result through Compress PDF.
You need to remove or reorder slides
Use Organize PDF or extract a range with Split PDF.
You need several decks in one file
Combine the PDFs with Merge PDF.
You need to edit the slides again
Edit the original PPTX if possible. If you only have the PDF, try PDF to PowerPoint, though reverse conversion isn't always exact.
Security and privacy
- No registration and no contact details collected.
- Files are used only for conversion and never published.
- Presentations and PDFs are automatically deleted within 48 hours.
- For confidential decks, add a password with Protect PDF.
Frequently asked questions
Is it free to convert a presentation to PDF?
Yes — no sign-up, no watermarks. Limit: 20 files and 100 MB per upload.
Which formats are supported?
PPT, PPTX, PPS, PPSX and ODP.
Are animations and transitions kept?
No. Each slide is saved in its final state.
Are speaker notes included?
No, only slides. For notes pages, export from PowerPoint itself.
Can I put several slides on one page?
The converter outputs one slide per page. Handout layouts are available when printing from PowerPoint.
Can I convert on my phone?
Yes. Open the converter in your mobile browser, pick the file and tap Convert to PDF.
How long are files stored?
No more than 48 hours, then they're deleted automatically.
Conclusion
For a clean result, use common or embedded fonts, leave room in text boxes, replace video with still frames and compress large images. Then upload your files to the PowerPoint to PDF converter — up to 20 decks at once, free and without sign-up.