Compress PDF

Reduce your PDF size online – for free

Smallpdf.com compresses your PDF in the cloud for free to a perfect size that is still good quality.

Drop PDF here

Drop PDF here

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Compressing

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How to compress a PDF

Just drag-and-drop your PDF file in the box above, wait for the compression to complete and download your file. It's that simple.

Perfect quality

Reduce your scanned PDF files to 144dpi which is perfect for uploading files to the web and through email.

Easy to use. And free!

Drag and drop your file, wait a few seconds while it shrinks, and download it with a single click. The process is quick, secure, and completely free.

Security guaranteed

Your files will be permanently deleted from our server after one hour. No one has access to your files and privacy is 100% guaranteed.

All platforms supported

Smallpdf.com is browser-based and works for all platforms. It doesn’t matter if you use Mac, Windows or Linux.

In the cloud

All the file compressing takes place in the cloud and will not consume any capacity from your own computer.