How to Compress PDF on Mac Without Losing Quality (Full Guide)
Do you need to email a PDF but the file size is too big? In this video, I show you how to compress PDF file sizes on a Mac for free using the built-in Preview app.
The Problem: The default "Reduce File Size" option in Preview makes your document look terrible and blurry. The Solution: I will show you a hidden setting in the ColorSync Utility that lets you create a custom compression filter so you can shrink the file size while keeping the text and images sharp.
In this video, I cover:
Method 1 (The Basic Way): Using Preview's standard export (Good for text-only docs).
Method 2 (The Pro Way): How to create a "Better Quality" Quartz Filter using ColorSync Utility.
Method 3 (The Online Way): Using a free tool like iLovePDF for instant results.
How to Create a Custom Filter (The "Clear" Way):
Open ColorSync Utility (Cmd + Space to search).
Go to the Filters tab.
Duplicate the "Reduce File Size" filter.
Change "Image Sampling" to Scale 50% (or 75%).
Change "Image Compression" to JPEG with Quality around 50%.
Now, this new option will appear in your Preview Export menu!
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