PPTX to PDF Converter
Best Free Online Tools
Compare the top 2 curated tools for converting .pptx files to .pdf. No scrolling through 50 sketchy sites — pick a tool in 5 seconds.
PPTX to PDF · Documents
Convert PPTX to PDF online — free, in your browser
Need to convert a .pptx file to .pdf? You're in the right place. Convertlova has hand-picked 2 PPTX to PDF converters so you don't have to dig through 50 sketchy results on Google. Every tool below is tested for whether it's truly free, requires signup, adds a watermark, and how fast it actually runs in 2026.
The best free PPTX to PDF converters work entirely in your browser — you upload your .pptx file, the tool processes it (most are done in seconds), and you download the converted .pdf. No software to install, no sign-up wall, no email harvesting. We've ranked each documents converter by free pricing, no watermark, no signup, and output quality, so the top pick at the top of the list is almost always the one you want.
Why convert PPTX to PDF?
- Compatibility — open your documents file in apps and devices that don't support .pptx natively.
- Smaller file size — .pdf is often more efficient for sharing, uploading, or embedding on the web.
- Editing — many editors only accept .pdf files, so converting is a one-step unlock.
- Quality preservation — the right converter keeps your file looking and sounding exactly like the original.
What to look for in a PPTX to PDF converter
Most online converters technically work, but the experience varies wildly. The four things that actually matter:
- Truly free — not "free trial" or "free up to 1 file/day." Filter by Free above.
- No signup — you shouldn't need an account to convert one .pptx file.
- No watermark — the converted .pdf should be indistinguishable from a paid output.
- Fast and private — files should be processed quickly and deleted from servers after.
How to convert PPTX to PDF in 3 steps
- Pick the top-ranked PPTX to PDF tool from the comparison above (or filter by your priority — free, no signup, fastest).
- Click Open tool, drag in your .pptx file, and start the conversion.
- Download the converted .pdf file. Done — most documents conversions finish in under 30 seconds.
PPT to PDF
Limits: Online converter
Free PPT to PDF
Open toolONLYOFFICE Online Document Converter
Limits: No registration required, secure data processing
Developer API available for integration
Open toolHow to convert PPTX to PDF
- 1
Pick a tool from the comparison above. We've ranked them by being free, no-signup and no-watermark.
- 2
Open the tool's website (we link directly — never an affiliate cloak).
- 3
Upload your .pptx file. Most tools accept drag-and-drop.
- 4
Download the converted .pdf file. That's it.
PPTX vs PDF — when to convert
.pptx and .pdf are both documents formats. You typically convert when you need:
- Broader compatibility across apps and devices
- Smaller file size for sharing or web
- Different quality / feature tradeoff (transparency, lossless, animation)
- Editing in software that only opens .pdf
Related conversions
Other ways to convert .pptx or to .pdf.
FAQ
What is the difference between PPTX and PDF?
PPTX and PDF are both documents formats. Conversion is generally needed when you want broader compatibility, smaller file size, or different quality/feature tradeoffs (transparency, animation, lossless vs lossy, etc.).
Is converting PPTX to PDF safe?
Yes — the tools listed here are reputable browser-based converters or trusted desktop apps. We flag tools that require signup, add watermarks, or have file-size limits so you can pick a fully free, no-strings option.
Will I lose quality converting PPTX to PDF?
It depends on the formats. Lossless-to-lossless conversions preserve quality. Lossy-to-lossy or lossless-to-lossy may reduce fidelity. Look for tools labeled "lossless" in the comparison above when quality matters most.
Can I convert PPTX to PDF offline?
Yes — several listed tools are open-source desktop apps that work offline. Use the "All tools" page to find offline-capable options.