Compress PDF
Re-encodes images inside the PDF and removes redundant metadata. No quality theatre — only real, measurable savings.
Files never leave your device — 100% browser-based.
Drop a PDF here
or click to browse your files
100% browser-based · files never leave your device
Why use this tool?
Built for speed, privacy and simplicity. No accounts, no installs, no watermarks.
Three compression levels with honest size reporting.
Never inflates already-optimized files.
Runs locally — your document stays private.
How it works
Three simple steps. Everything happens in your browser.
Upload your PDF.
Pick a compression level.
Compare original vs compressed size.
Download the smaller PDF.
Related PDF tools
Keep going — pair this with another quick tool.
Frequently asked questions
Quick answers about how this tool works.
Are my files uploaded to a server?
No. Every PDF tool on this site runs entirely in your browser. Files never leave your device.
Is there a file size limit?
Processing is limited by your device memory. Most files up to ~200 MB work comfortably on a modern laptop or phone.
Does it work offline?
After the page loads, yes — no further network requests are needed.