A little smaller. A lot more possible.
Compress PDFs on Mac in Your Browser
Compress PDFs on your Mac directly in a compatible browser. Keep files on your device; no desktop installation required.
- Select PDF
- Compress
- Download
Drop your PDF here
or choose a file from your device
PDF only · Up to 200 MB per file
More PDFs. One workflow.
Up to 50 PDFs · Individual or ZIP downloads
Your PDF stays on your device. No document uploads.
Compression level
Target is best effort; stronger compression may be used.
Image quality may change. Digital signatures can become invalid. Keep your original.
Keep your PDF private
Compression happens on your device. Your PDF is never uploaded to our servers.
Choose your compression
Three compression levels let you choose between image detail and a smaller file.
Check the result first
See the actual file size and whether it meets your target before downloading.
FROM TOO BIG TO GOOD TO GO
Less file. Less friction.
01
Choose your PDF
Select a file from your device or drag it into the box above.
02
Make it smaller
Choose a compression level. Add a target size if you need one.
03
Download and go
Check the result, then save the smaller PDF to your device.
Before you compress
Use a compatible browser on your Mac. The engine runs locally and requires an internet connection initially to load its program files.
Already optimized PDFs may not get smaller. Always check image clarity and keep your original file.
A PERFECT FIT FOR YOUR NEXT UPLOAD
Big plans. Small attachments.
Start with a target. We’ll tell you whether your PDF can meet it.
PDF compression FAQs
Common questions about file size, quality and privacy.