Take notes, make suggestions, and collaborate with others by annotating websites. This browser-by-browser guide gets you started.

Learn how to annotate in Google Slides while you present. Make your presentations more engaging, interactive and impactful with this guide.

In iOS 17 and MacOS Sonoma, Apple added the ability to open and annotate PDFs right in the Notes app. Keep reading to learn how it's done. In ...

Sign a document, annotate an image, or sketch a picture on your iPhone or iPad and then use it on your Mac with Continuity Markup and Continuity Sketch.