Compress PDF
How to compress a PDF
- 01
Choose your PDF
Click “Choose a PDF” or drop the file on the page.
- 02
Pick a level
Smallest for email and screens, Balanced for everyday use, or Best quality for printing.
- 03
Compress and download
Click Compress. You’ll see how much smaller the file got, and it downloads straight away.
Compress PDF: questions
No. The PDF is compressed by your own browser on your device. It is never sent to a server.
It depends on what’s inside. Scans and PDFs with photos often shrink by 50–90%. PDFs that are mostly text are already compact and may barely change.
Yes. Text and vector graphics are left exactly as they are; only images are resized and re-saved. Choose Best quality if you plan to print.
Then you get your original file back unchanged, with a note explaining why, so you never end up with a bigger file.
Yes. Images that could be damaged by re-saving, such as print-ready CMYK images, transparency masks and some special scan formats, are kept exactly as they were.