Annotations
Use annotation and drawing markup tools to add comments and drawings.
You can use the drawing tool to add a rectangle, ellipse, or other shape and then type a message in the associated pop-up note.
To add a shape:
- Open a PDF. Go to the Annotate tab.
- On the toolbar, select a shape.
Optionally, use the Free draw tool to draw a custom shape. - Click where you want the shape inserted. Drag and drop to resize the shape.
- Double tap the shape to type your comment in the associated pop-up note.

To add a Note:
- Open a PDF. On the Annotate tab, tap Note.
- Click where you want the note inserted.
- Type your comment in the associated pop-up note.
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View Annotations
The Annotations list displays all annotations in a PDF and appears in the bottom of the document window.
- Swipe left the annotation markup you want to delete.
- Select Delete.
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You can highlight, strikethrough, and underline text.
- Open PDF Extra and select Annotate.
- Select Highlight, Underline, or Strikethrough.
- Tap and drag over text to highlight the text.

You can attach PDFs and other types of files such as photos to a PDF. If you move the PDF to a new location, the attachments move with it.
To attach a file to a PDF,
- Tap the Menu icon on the bottom.
- Tap Edit
- Select Insert.
- Select the file you want to attach, tap Insert.
Optionally, you can move the attachment markup and, or change its properties.

- In the Fill and Sign tab, tap Signature.
- Select an existing signature, create a new one or select one of the three options:
- Date. Insert today's date.
- Text Box.
- Free Draw. Draw your signature
- Once you have created a signature (or initials) to use, move your signature (or initials) into position on the page.

1. Open your PDF Extra file and tap the tabs dropdown.
2. Select Annotate.
3. Tap Stamp.
4. Choose from a list of predefined stamps.
5. Tap where you want to position the stamp.
6. Drag the resizing points to adjust the stamp’s position.
1. Open your PDF Extra file and tap the tabs dropdown.
2. Select Annotate.
3. Tap Image.
4. Choose from the images stored on your device.
5. Tap where you want to positions the image.
6. Resize the image if you want to, using the dragging points.