Compress PDF - Reduce PDF File Size Online
Reduce PDF file size online while preserving visual quality. Fast, secure PDF compression in your browser.
Files are deleted automatically after processing
Drop the file here
or click to choose · max 20 MB · PDF
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Reduce your PDF file size for free and online. Choose a low, medium or high compression level to control the balance between file size and image quality. Ideal for fitting an email attachment, uploading to a site or archiving; your files are deleted automatically after processing.
How it works
- Drag the PDF you want to compress into the area above, or select it.
- Choose a compression level (low / medium / high).
- Press "Start".
- Download the smaller PDF.
Frequently asked questions
Is compressing PDFs free?
Yes, PDF compression is completely free and requires no sign-up.
Will quality drop?
Image quality depends on the compression level you choose; the medium level keeps a good balance of quality and size for most documents.
How much smaller does it get?
The saving depends on the content; image-heavy PDFs shrink noticeably.
Are my files safe?
Uploaded files are used only for compression and deleted automatically afterwards.