how to lower pdf file size

Open the PDF file containing header and footer

To save the rotation with the document, choose Tools > Organize Pages > Rotate Clockwise button or Rotate Counterclockwisethe button in the toolbarChange the default page layout (initial view) You specify the default initial view settings in the Preferences dialog box

(See Set preferences) In the Preferences dialog box under Categories, select Page DisplayOpen the Page Layout menu and choose Automatic, Single Page, Single Page Continuous, Two-Up, or Two-Up Continuous

Note: The PDF opens with the page layout specified in Preferences unless a different page layout is specified in Document Properties (File > Properties > Initial View)The Document Properties setting overrides the Preferences setting

If using Document Properties, be sure to save and close the document for the change to take effect

Acrobat users can change the initial view, unless security settings prevent changesAcrobat automatically applies OCR to your document and converts it to a fully editable copy of your PDF

Note: A prompt on the upper-right corner appears showing you the recognized OCR languageTo change the language, click Settings in the prompt or in the right pane

For more information about the various options, see Options for editing scanned documents belowClick the text element you want to edit and start typing