Reduce file size & optimize

Reduce large files and optimize your PDFs without compromising quality for sharing, posting, or archiving.


Available in Acrobat Pro DC only.

  1. In Acrobat Pro DC, select Optimize PDF from the Tools center or pane.

    Reduce Step 1

  2. Select Reduce File Size and chose whether you want to reduce a single file or multiple files.

    The file is reduced to the smallest size possible while retaining the documents quality.

    Reduce Step 2

  3. To optimize your file, choose Advance Optimization. Then select from options in the PDF Optimizer.

    Reduce Step 3

  4. To use the default settings, choose Standard from the Settings menu.

You change any settings in the PDF Optimizer dialog box, the Settings menu automatically switches to Custom.

  1. From the Make Compatible With menu, choose Retain Existing to keep the current PDF version, or choose an Acrobat version. Select the check box next to a panel (for example, Images, Fonts, Transparency), and then select options in that panel. To prevent all options in a panel from executing during optimization, deselect the check box for that panel.

    Reduce Step 5

  2. (Optional) To save your customized settings, click Save and name the settings. To delete a saved setting, choose it in the Settings menu and click Delete.

    Reduce Step 6


To optimize multiple PDF files, try using the Action Wizard.

Click to download a PDF of the Reduce file size & optimize tutorial.

Download Reduce file size & optimize tutorial.

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