Compress PDF files on your Mac
Smaller PDFs for email — offline and watermark-free.
Shrink heavy, scanned or image-rich PDFs so they fit email size limits and upload faster. Compression runs entirely on your Mac, so your documents stay private and there's no watermark on the result.
Get the Mac appFree to try · macOS 11+ · Nothing leaves your device
How it works
1
Add your PDF
Drop in the PDF you want to make smaller.
2
Choose a level
Pick how much to compress based on your size target.
3
Save the smaller PDF
Export the lighter file straight to your Mac.
Why do it on your Mac
Fits email limits
Get bulky PDFs under common attachment caps.
Private
Documents are compressed locally — never uploaded.
No watermark
The smaller PDF stays clean and professional.
Frequently asked questions
Will text stay readable?
Yes — you choose the level, keeping documents clear while cutting size.
Is my PDF uploaded?
No. Compression is done on your Mac.
Any size limit?
No — compress PDFs of any size.