Finding it difficult to store or share large PDFs on your Mac? Check out a few easy ways to reduce PDF file size on a Mac to make it easier to work with.

Here is the list of the top 5 websites and tools which can reduce the size of a PDF file without losing the quality.

How to reduce PDF file size on a Mac computer with Preview 1. Open the PDF — if Preview isn't your default app, right click the PDF, then select Open with followed by Preview.