Re-save your PDF with optimised, deflated content to bring its size down for email and uploads — no Mac app required, and the document stays fully intact.
Compress PDF on Mac
Shrink a heavy PDF for email and uploads.
- Upload the PDF.
- It's re-saved smaller.
- Download the result.
Guides about Compress PDF
Compressing PDFs on Mac
How to Reduce PDF File Size on Mac for Email
How to reduce PDF file size on Mac so it fits an email attachment, comparing Preview with a free no-install browser tool that runs on Intel and Apple silicon.
Compressing PDFs on Mac
How to Compress a PDF on Mac Without Losing Quality
How to compress a PDF on Mac without losing quality, comparing Preview's Quartz filter with a free no-install browser tool that runs on Intel and Apple silicon.
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Frequently asked questions
Still selectable?
Yes — text and structure are preserved.