How to reduce PDF file size on Mac

How to reduce PDF file size on Mac using Preview

The easiest way to compress PDF files on Mac is to use the Preview application. Preview is a built-in tool in macOS for viewing documents and image files. It also includes other useful features, such as the ability to reduce the quality (and therefore size) of documents such as PDFs.

Reduce PDF file size using Preview on Mac:

1. Open Finder and find your file.
2. Double-click the file to open it in Preview.
3. In Preview, press File > Export.
   
4. In the export window, select Reduce file size from the Quartz Filter drop-down menu.
5. Confirm any other changes (such as file name changes) and press Save.
   

This will create a significantly reduced file size for your PDF document. However, you may see a decrease in quality, especially if your document contains images.

If this is a problem, you may want to consider other methods of compressing PDFs.

Third-Party Alternatives to Reduce PDF File Size on Mac

While Preview provides the best built-in method to reduce PDF file size on Mac, you can also try other third-party options. For example, Adobe Acrobat Pro DC gives you the option to reduce the PDF file size during saving.

However, if you are looking for a free alternative, you can use a free tool on the Adobe website that allows you to compress PDF online.

Adobe Compress PDF ToolEasy to use - just press to select the file on the website and find the PDF file. After uploading the file, select a quality level (Low, Medium, or High) and press Compress.

The file will be uploaded to Adobe's servers, compressed, and then returned to you as a download. However, we recommend using this service only for non-sensitive files. If the file contains personal data, we recommend using the preview method described above or using other third-party tools such as Adobe Acrobat.

Create smaller PDF documents on Mac

Using the steps above, you can quickly reduce the file size of PDFs on Mac. You may also want to consider document size from the beginning by reducing the number of assets (such as images) in the document before saving it as a PDF.

If you're still having trouble sharing documents, consider using a cloud storage solution like Dropbox. You can then upload the file and share it as a link, making your file easy to distribute online to friends, family, or colleagues.

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