Compress PDF online
Shrink a PDF to fit upload limits of portals, email or messengers. Works best on scans.
How to compress a PDF
Choose a PDF
It opens in your browser and is not uploaded.
Pick a level
Medium fits most cases, choose strong for strict limits.
Download
You will see how much smaller it got.
Good to know
Compression redraws every page as an image, perfect for scans. If the PDF has real text it will no longer be selectable, and the site warns you first. You can also merge PDFs or delete pages.
FAQ
Why did the file not shrink?
It was already compressed or is plain text without images.