To use Markup to edit an image, open an image file within the Photos app, or within your Camera Roll. Then tap a photo to open it. Tap Edit in the upper-right corner. Then tap the Markup icon at the top of the screen, next to the trashcan icon. To edit an email attachment with Markup, open the Mail app and compose or reply to an email. Tap the paperclip icon and select a photo or document to add as an attachment. Then tap the photo in the email body. Then tap the Markup icon in the upper-right corner of the keyboard. To edit a photo attachment in Messages, tap the Photos icon below the message bar at the bottom of the screen and select a photo to add as an attachment. Then tap the photo in the message before sending it. Then tap Markup in the lower-left corner.

Additionally, you can use the slider bar at the bottom of the color selection screen to adjust the opacity of the color to make it more transparent so you can see the image below the marks you make on the image or document. If none of the colored squares are the exact hue you want to use, you can tap Spectrum at the top, which displays a box with a full-color spectrum. You can tap the exact hue you want to use. Alternatively, you can tap Sliders at the top of the screen and then use the slider bars to get a precise mix of red, green, and blue.

Marker: The marker is the first tool at the bottom of the screen. It resembles a pen with a colored tip. The marker tool creates bold marks with a medium width. Highlighter: The Highlighter is the second tool at the bottom of the screen. It has a colored flat tip with a slant. This tool creates thick marks that are transparent, allowing you to see below the mark. Pencil: The pencil is the third marker type at the bottom of the screen. It resembles a pencil with a colored tip. This tool creates small, thin marks.

The Eraser tool only erases marks you have made using Markup. It does not erase the original image or document. The Eraser tool has two modes: “Pixel Eraser” and “Object Eraser. " “Pixel Eraser” erases the marks you trace over with your fingertip, Apple Pencil, or stylus. “Object Eraser” erases the entire mark or object you tap with your fingertip, stylus, or Apple Pencil. To switch between the two different modes, tap the Eraser tool to select it, then tap the Eraser tool again to display a pop-up menu. Tap which mode you want to use in the pop-up menu.

The move tool can only move marks you make inside of Markup. You cannot move parts of an image.

To move the shape, simply tap and drag it. To adjust the size of the shape, tap and drag one of the blue dots around the edge of the shape. To adjust the line thickness around the shape, tap the icon that resembles a square on top of a circle at the bottom of the screen. Then tap the line type you want to use. You can rotate the arrow by tapping and dragging one of the blue dots around the arrow. Tap and drag the green dot in the center of the arrow to adjust the curve of the arrow. Tap outside the shape to deselect it. To delete a shape, first tap outside the shape to deselect it. Then tap it again to select it. Tap Delete above the arrow. You can also tap Copy, Cut, or Duplicate the shape.

To move the shape, simply tap and drag it. To adjust the size of the shape, tap and drag one of the blue dots around the edge of the shape. To adjust the line thickness around the shape, tap the icon that resembles a square on top of a circle at the bottom of the screen. Then tap the line type you want to use. You can rotate the arrow by tapping and dragging one of the blue dots around the arrow. Tap and drag the green dot in the center of the arrow to adjust the curve of the arrow. Tap outside the shape to deselect it. To delete a shape, first tap outside the shape to deselect it. Then tap it again to select it. Tap Delete above the arrow. You can also tap Copy, Cut, or Duplicate the shape.

Tap the plus (+) icon at the bottom fo the screen. Tap Signature. Tap Add or remove signature at the bottom of the pop-up. Tap Plus (+) in the upper-right corner of the pop-up. Write your signature on the line. Tap Done in the upper-left corner of the pop-up.

On iPad, the “Undo” button is in the bottom-right corner. To redo a mark you just removed with the “Undo” button, tap the “Redo” button which resembles a curved arrow pointing right. It’s next to the “Undo” button.

If you are taking a screenshot of an image in Safari, you have the option to tap Screen or Full Page at the top of the screen. “Screen” only takes a screenshot of your screen. “Full Page” saves an image of the entire web page, including the parts not visible on your screen.

If you are taking a screenshot of an image in Safari, you have the option to tap Screen or Full Page at the top of the screen. “Screen” only takes a screenshot of your screen. “Full Page” saves an image of the entire web page, including the parts not visible on your screen.