Annotations in .NET MAUI PDF Viewer (SfPdfViewer)

19 Aug 20251 minute to read

The SfPdfViewer allows you to add, remove and modify annotations in the PDF documents. This section will go through the various types and functionalities available in PDF Viewer for working with annotations.

Supported Annotation Types

The SfPdfViewer supports the following annotation types.

1. Arrow
2. Circle
3. Free text
4. Highlight
5. Ink
6. Ink eraser
7. Line
8. Polygon
9. Polyline
10. Square
11. Squiggly
12. Stamp
13. Sticky notes
14. Strikeout
15. Underline

To learn how to work with annotations, you can also check out our video tutorial below.