Compress PowerPoint (PPTX)
Shrink pitch decks and presentations for email and upload limits.
Drop your files here
or choose from your device. Processed right here in your browser — never uploaded.
A little guidance.
How to use Compress PowerPoint (PPTX)
- Drop a PowerPoint (.pptx) deck. Pitch decks with photos and screenshots shrink the most.
- Choose a level: Recommended keeps slides sharp on screen; Strong is best for email and upload limits.
- Compress, check the new size, then download and open the deck once before presenting.
Formats and compatibility
Accepted input: .pptx,.pptm,.potx,.ppsx. Check the file-specific validation in the workspace. See browser compatibility.
Limitations
Downsamples and re-encodes slide pictures and removes unused media. Text, layouts, animations and notes are untouched. Embedded videos are kept as they are. Older .ppt files must be saved as .pptx first.
Questions, answered.
Is Compress PowerPoint (PPTX) free?
Yes. Compress PowerPoint (PPTX) is free to use with no sign-up, no watermark and no daily limit.
Are my files uploaded to a server?
No. Processing happens in your browser on your own device. Your files are not uploaded, which makes the tool suitable for confidential documents.
Which file formats are supported?
Compress PowerPoint (PPTX) accepts PPTX, PPTM, POTX, PPSX files, up to 150 MB each.
Does it work on mobile phones?
Yes. It runs in any modern browser on Android, iPhone, Windows, Mac and Linux. Large files are faster on a computer.
What are the limitations?
Downsamples and re-encodes slide pictures and removes unused media. Text, layouts, animations and notes are untouched. Embedded videos are kept as they are. Older .ppt files must be saved as .pptx first.