How to Compress PDF File Size in Macbook (tutorial)

Need PDF compression tools for your Mac? Check out the top 6 best choices for 2025.

若想要免費在 Mac 上壓縮 PDF 檔案的方法，我們還是推薦使用 Mac 內建「預覽程式」或在瀏覽器中使用線上 PDF 壓縮程式 Adobe Acrobat。

It is completely free for you to compress your PDF files via iMyMac PDF Compressor. You are no need to worried that your files would be hacked or even illegally used as this tool can support offline usage on Mac. You are also no need to upload your files

有些PDF太大，需要壓縮才能符合文件要求。 這篇文章將教您如何在不損失質量的情況下壓縮Mac pdf，並為您推薦在線或免費的工具。

想找好用的PDF壓縮軟體？ 我們實測6款工具，從壓縮效果、操作難易到隱私保障全面比較，教你如何免費壓縮PDF，快速選出高CP值的理想選擇！