Cisdem PDFCompressor 3 is the smartest PDF compressor to reduce PDF file size on Mac. With the user-friendly interface, it can easily compress the size of single or multiple PDF files and maintain the original PDF format.
Key Features:
1. Four Preset Modes: Minimal File Size, Small File Size, Medium File Size, Large File Size to meet your different ordinary compression need.
2. Customized DPI (Dots Per Inch): You can also set the specific preferred compression result and content quality if necessary.
3. Real-time Size: Show the sizes of your PDF files and the predicted sizes in different compression modes after compression.
4. Support Batch Compression: No matter compress hundreds of PDF documents or a 500-page PDF file, it just need one click.
5. Keep the Highest Quality: Only remove the useless elements to reduce the large PDFs to their smallest size, without compromising quality.
6. Support all versions of PDF documents without Adobe Acrobat Reader installed.
7. Fully support macOS Sierra 10.12.
I like this app. Super easy to handle and run very fast on my 10.10 Yosemite. It can compress PDF files via different ways. You can select a most suitable one to compress it. Great app, in a word! But I don't like the interface, BTW.