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

Annotate webpages in Safari using Markup to highlight text, add notes, and share edits seamlessly on your iPhone, iPad, or Mac with built-in tools.

To annotate the PDF, tap the Markup button. You will see several options along the bottom of the screen to annotate your PDF, such as a marker, pencil, pen, and eraser.

We'll guide you through how to annotate PDFs on your Windows, Mac, iPhone, or Android devices for free, without the need for any additional third-party tools or software.

Google’s push to optimize its first-party apps on tablets continues with Drive for Android adding the ability to annotate PDFs using a stylus or finger. You will be able to “use your finger or a ...