Compress PPTX Files
Reduce PPTX file size while maintaining quality. Fast, free, and secure.
✨ Key Benefits
- Optimizes embedded images and media
- Preserves slides and animations
- No watermarks, ever
- Browser-based, nothing to install
- Cloud processing in seconds
💡 Why Use This?
- Email decks under attachment limits
- Share presentations with clients faster
- Upload to LMS and portals with caps
- Free up space from presentation archives
- Send image- and video-heavy slides
How to Compress PPTX Files
Upload File
Select or drag your PPTX file to the upload area above.
Compress
Your file is automatically compressed to reduce size.
Download
Download your compressed file instantly.
Why Compress PPTX Files?
Presentations are usually large because of high-resolution images, embedded video, and many slides. Optimizing the media shrinks the deck without changing your content.
How PPTX Compression Works
A PPTX is a zipped package; our tool re-optimizes embedded images and media and repacks it efficiently, keeping slides, text, and animations intact.
Keeping Slides Looking Great
Layouts, fonts, and transitions are preserved; only oversized media is optimized, so your presentation looks the same on screen and projector.
Lightning Fast
Cloud-powered processing delivers results in seconds, not minutes.
Bank-Level Security
256-bit SSL encryption. All files automatically deleted after 1 hour.
100% Free
No hidden costs, no registration required. Compress files instantly.
Frequently Asked Questions
Why is my PowerPoint so large?
Usually high-resolution images and embedded video across many slides.
Will my animations be kept?
Yes, slides, transitions, and animations are preserved.
How much smaller will it be?
It depends on the media; image- and video-heavy decks shrink the most.
Does it work with .ppt too?
This tool targets PPTX; older .ppt files have a separate compressor.
What is the maximum file size?
Up to 30 MB per PPTX on this tool.
Are my uploaded files safe and private?
Yes. Uploads use a 256-bit SSL encrypted connection and every file is automatically deleted from our servers within one hour. We never add watermarks.
