How can I make a PDF smaller on a Mac?
In Preview, choose File → Export and select Reduce File Size from the Quartz Filter menu. Save a separate copy and check its readability.
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Shortcuts, files, and settings for getting things done on your Mac.
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Will Preview always make the PDF smaller?
No. Apple notes that the result and image quality vary with the chosen options and the original file.
In “How can I make a PDF smaller on a Mac?”
Why did the text get blurry?
Compression can reduce image quality, especially on scanned pages. Keep the original and use a less aggressive option or another accepted delivery method.
Source checks for these answers: September 21, 2026. Product instructions and local requirements can vary.