Your files never leave your device
Reduce your PDF size for free
Drop a file and it is compressed inside your browser. Nothing is sent to a server, and there is no sign-up and no watermark.
Drop your PDF here
or click to choose a file · up to hundreds of MB
Choose PDF fileWhy this tool?
100% in-browser
Files never leave your device — compress sensitive documents with confidence.
Free & unlimited
No sign-up, no payment, no watermark. Compress as much as you like.
Powerful engine
Powered by Ghostscript — cuts image-heavy PDFs by up to 80%.
Frequently asked questions
Are my files uploaded to a server?+
No. All compression happens inside your browser and files are never transmitted anywhere.
How much smaller will my PDF get?+
Scanned or image-heavy PDFs typically shrink 50–80%. Text-only PDFs are already small and may change little.
Is there a file size limit?+
There is no server limit. Very large files may take longer depending on your device.
Is it really free?+
Yes. No sign-up, no payment, and no watermark.