PDF Pro provides 4 different text highlight options.

  • Text-Marker: Colorizes the background of the highlighted text. iPhone showing PDF text with yellow highlight marker applied
  • Underline: Draws a straight line under the highlighted text. iPhone showing PDF text with underline markup applied
  • Squiggle: Draws a wavy line under the highlighted text. iPhone showing PDF text with squiggle underline markup applied
  • Strikethrough: Crosses out the highlighted text. iPhone showing PDF text with strikethrough markup applied
To change the highlight option, just follow the steps below.
  1. Tap and hold the Text Highlight button. iPhone showing toolbar with Text Highlight button highlighted
  2. Select the Highlighting Option type you want to use. iPhone showing highlight options menu with markup styles
  1. Tap and hold the Text Highlight button. iPad showing toolbar with Text Highlight button highlighted
  2. Select the Highlighting Option type you want to use. iPad showing highlight options menu with markup styles

Now you can swipe with your finger over the text you want to highlight.