How to Annotate PDFs on iPhone and iPad

PDF Reader Pro supports a full set of annotation tools, you can annotate individually or continuously:


1. Open the file and enter the reading page;

2. Select the texts you want to annotate and tap Highlight / UnderlineStrikethrough / Squiggly / Link from the pop-up menu;

3. Or you can tap anywhere in the file, and select Note / Text / Signature / Stamp / Image / Sound / Link from the pop-up menu;

4. To annotate continuously, you need to select one of the annotation tools first, then choose the texts or area you want to markup. There are a set of annotations tools to be chosen, such as Anchored Note, Highlight, Underline, Strikethrough, Freehand, Shape, Text Box, Stamp, Signatures, Sound, Image, Link and etc;

5. If you want change properties of the annotations, just long tap on the specific icon or click the annotation to change the properties like color and opacity;

6. If you want to remove the annotations, just click it and choose Delete from the pop-up menu.

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