PPSX to PPTX Converter
Convert PowerPoint slideshows to PPTX in your browser. PPTX is ideal when you need presentations you still plan to revise, while PPSX is better known for opens directly into slideshow mode for delivery.
- Files never uploaded
- Instant, on-device
- Free & no sign-up
Drop PPSX files here, or browse
PPSXPPTX · files stay on your device
up to 40 MB per file · up to 20 files per batch
How to convert PPSX to PPTX
- Step 01
Add your PPSX file
Drop one or many PPSX files onto the converter, or browse from disk. Stay within the on-device size limits shown under the drop zone — oversized files are rejected so your tab does not freeze.
- Step 02
Convert the deck
Start the PPSX → PPTX conversion. Slides are parsed locally so unpublished decks never leave this device.
- Step 03
Download PPTX
Download your new PPTX file immediately. Multiple outputs pack into a single ZIP archive.
Why convert PPSX to PPTX
PPSX is a PowerPoint slideshow suited to finished slideshows meant for presenting, not editing. PPTX is the better handoff when you need editable slides for decks, pitches, and classroom material. Converting PPSX to PPTX locally keeps client decks and unpublished slides on your machine while still producing something portable for email, print, or image workflows.
When to use this tool
- A tool, form, or teammate asked for PPTX, but you only have PPSX.
- You are optimizing for presentations you still plan to revise instead of staying in PPSX.
- You need a portable PPTX handoff from a PPSX deck without opening desktop PowerPoint.
Good to know
- Output characteristics follow PPTX: editable slides for decks, pitches, and classroom material.
- Source quirks still apply — PPSX is limited by awkward when recipients need to edit the deck, and conversion cannot invent missing data.
- Complex animations, SmartArt, and embedded fonts may simplify — review slides before a live presentation.
- Browser limit: about 40 MB per deck, up to 20 files per batch.
- Need a bigger file? For oversized presentations, open them in PowerPoint, Keynote, or LibreOffice Impress, export a lighter copy, or use those apps for the full conversion.
File size limits for PPSX to PPTX
Browser limit: about 40 MB per deck, up to 20 files per batch.
Why there is a limit
Slides are parsed locally in memory. Very large decks with embedded media can stall the browser, so we keep inputs within a safe on-device range.
If your file is too large
For oversized presentations, open them in PowerPoint, Keynote, or LibreOffice Impress, export a lighter copy, or use those apps for the full conversion.
PPSX to PPTX FAQ
Common questions about converting PPSX files to PPTX.
Is this PPSX to PPTX converter free?
Yes. Browser Convert does not charge for PPSX → PPTX, add watermarks, or require an account.
Will animations survive PPSX to PPTX?
Animations and transitions usually flatten. PPTX is best for portable reading, printing, or still previews rather than a live animated deck.
Is PowerPoint required for PPSX to PPTX?
No. Conversion runs in your browser without installing Microsoft PowerPoint or uploading the file.
Is PPSX to PPTX conversion private on Browser Convert?
Yes. Your PowerPoint slideshow is processed in the browser. We do not upload the file to convert it, which is the main difference from typical online converters.
Are there file size limits for PPSX to PPTX?
Yes. Browser Convert accepts about 40 MB per file, with up to 20 files queued at once. Slides are parsed locally in memory. Very large decks with embedded media can stall the browser, so we keep inputs within a safe on-device range. If your file is larger, For oversized presentations, open them in PowerPoint, Keynote, or LibreOffice Impress, export a lighter copy, or use those apps for the full conversion.
Can I convert several PPSX files to PPTX at once?
Yes. Queue up to 20 PPSX files and convert them in one pass. When finished, download the batch as a ZIP. Very large batches may need to be split so your browser stays responsive.