Reduce PDF file size by unembedding fonts

Ultima actualizare la 5 nov. 2025

Learn how to reduce PDF file size by modifying font settings in Adobe Acrobat Pro.

Unembedding fonts can significantly reduce the file size of a PDF. You can check the space used by fonts in your PDF using the Audit space usage feature.

Windows

Select Menu > Save as Other > Optimized PDF.

In the PDF Optimizer dialog box, select Fonts from the left pane.

Select the checkbox for Do not unembed any font under Font Unembedding Settings.

Select OK.

Choose a location to save the compressed PDF, enter a filename, and then select Save.

macOS

Select File > Save as Other > Optimized PDF.

In the PDF Optimizer dialog box, select Fonts from the left pane.

Select the checkbox for Do not unembed any font under Font Unembedding Settings.

Select OK.

Choose a location to save the compressed PDF, enter a filename, and then select Save.