Convert PowerPoint to PDF Online Free (PPTX to PDF)
Convert PowerPoint presentations (PPTX or PPT) into crisp PDF documents with identical slide layout.
How it works step by step
- 01Select or drag and drop your PowerPoint deck (.pptx, .ppt, or .odp) up to 25 MB.
- 02Our presentation engine renders every slide in crisp vector and image quality.
- 03Download your portable PDF presentation ready for email, projectors, or mobile viewing.
Technical specs & privacy
Exact Slide Proportions & Graphics
Preserves 16:9 widescreen or 4:3 layouts, backgrounds, shapes, charts, and typography.
Zero Font Shifts Across Devices
Lock your slide design into a universal PDF so nothing shifts on another presenter’s laptop.
No Watermarks & 30-Minute Auto-Deletion
Clean professional output processed in a sandboxed environment and purged within 30 minutes.
| Supported input formats | POWERPOINT (.PPTX / .PPT) |
|---|---|
| Output target format | PDF PRESENTATION |
| Conversion engine | 123FileTools Isolated Sandbox (High Fidelity, 30-min auto-purge) |
| Storage & Privacy | Isolated sandbox · Auto-deleted in 30 min |
Frequently asked questions
How do I convert PowerPoint slides to PDF for free?
Drop your .pptx or .ppt file above, wait a few seconds for our engine to render each slide, and click Download PDF.
Are both .pptx and older .ppt presentations supported?
Yes, we support modern .pptx files, legacy .ppt decks, and OpenDocument .odp presentations.
Will 16:9 widescreen slides keep their aspect ratio?
Yes, every page in the generated PDF matches the exact dimensions of your original PowerPoint slides.
Does this tool add watermarks to my slides?
Never. Your exported PDF deck is completely clean and free of watermarks.
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