Compress PDFs with UPDF on Mac
At times, PDF files that are created are quite large in size. Sharing, sending, or saving such PDF files gets quite difficult. For that, UPDF provides a compression feature to help you reduce file size while maintaining the quality of the document.
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On opening the large-sized PDF, navigate to the right-hand side and access the menu for the Save icon. A menu will appear, which will offer multiple options. From the available options, select Reduce File Size… to continue.

A pop-up window that appears. You can select the Output Document Quality by checking on the “ > ” icon. You can choose from Uncompressed, Lossless, Maximum, High, Medium, to Low according to your requirements. The lower the document quality you choose, the higher the compression rate you'll process. As the compression rate is higher, the more time it takes to execute.

On selecting, click the Save As button to continue with the process.
Next, you will have to provide the name and the location of the compressed PDF file across the pop-up screen. Click the Save button after filling out the information.
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