PowerPoint Compressor — Compress PPT & PPTX Online Free
Compress PowerPoint files in your browser. Reduce PPTX size without losing slides, images, or animations — free, private, no upload, no sign-up.
Drop your PowerPoint here, or click to browse
Files are processed in your browser — nothing is uploaded.
What is a PowerPoint compressor?
What is it
A PowerPoint compressor reduces the size of a PPTX file by re-saving its internal Office package at maximum compression. filecompressor.app does this entirely in your browser, so your presentations never leave your device.
Every slide, image, and animation stays intact — only the storage becomes more efficient. It is perfect for shrinking decks to fit email attachments or upload limits.
How to compress a PowerPoint
How to use
Compressing a deck is quick and private:
- 1
Drop your PPTX file into the dropzone above, or click to browse and select it.
- 2
The compressor re-saves the Office package at maximum DEFLATE level, then shows the new size and percentage saved.
- 3
Click Download to save the smaller PowerPoint. All slides and content are unchanged.
Why use this PowerPoint compressor?
Why use it
No slides or content removed — everything stays intact, just stored more efficiently.
100% private — presentations are processed in your browser and never uploaded.
Free with no sign-up, no watermarks, and no limits.
20–40% reduction on most decks, more on image-heavy ones.
Helps decks fit under the 25MB email attachment limit.
FAQ
Common questions about this compression tool.
Frequently Asked Questions
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