Mark up attachments in your notes on Mac
When you add an image, scanned document, or PDF document to your note, you can use Markup to write or draw on the attachment, rotate or crop it, or add shapes or a signature to it.
In the Notes app
on your Mac, click a note in the notes list or double-click a note in gallery view, then do one of the following:For a scanned document, double-click it, then move the pointer over the scanned document.
For an image or PDF document, move the pointer over the attachment.
Click the Action pop-up menu
in the upper-right corner, then choose Markup.If you don’t see the pop-up menu, you may need to enable Markup. Choose Apple menu
Use the tools to mark up the attachment (or use the Touch Bar).
You can adjust how much of the attachment is shown at any time: move the pointer near the edges, then drag the blue handles.
Tool
Description
Sketch
Sketch a shape using a single stroke.
If your drawing is recognized as a standard shape, it’s replaced by that shape; to use your drawing instead, choose it from the palette that’s shown.
Draw
Draw a shape using a single stroke. Press your finger more firmly on the trackpad to draw with a heavier, darker line.
This tool appears only on computers with a Force Touch trackpad.
Shapes
Click a shape, then drag it where you want. To resize the shape, use the blue handles. If it has green handles, use them to alter the shape.
You can zoom and highlight shapes using these tools:
Loupe
To further magnify an area, you can create additional loupes and stack them, using the yellow guides to align them.
Highlight
: Drag the highlight where you want. To resize it, use the blue handles.
Text
Type your text, then drag the text box where you want.
Sign
If signatures are listed, click one, then drag it where you want. To resize it, use the blue handles.
To create a new signature, click the Sign tool, click Create Signature if shown, then click how you want to create your signature:
Use a trackpad: Click the text when asked, sign your name on the trackpad using your finger, press any key when you’re finished, then click Done. If you don’t like the results, click Clear, then try again.
If your trackpad supports it, press your finger more firmly on the trackpad to sign with a heavier, darker line.
Use your Mac computer’s built-in camera: Hold your signature (on white paper) facing the camera so that your signature is level with the blue line in the window. When your signature appears in the window, click Done. If you don’t like the results, click Clear, then try again.
Use your iPhone or iPad: Click Select Device to choose a device (if more than one is available). On your device, use your finger or Apple Pencil (on iPad) to sign your name. If you don’t like the results, tap Clear, then try again. When you’re ready, tap Done.
If you use iCloud Drive, your signatures are available on your other Mac computers that have iCloud Drive turned on.
To delete a signature, move the pointer over it, then click
(to the right of the signature). The signature is no longer available to use in any app where you can add a signature.Shape Style
Change the thickness and type of lines used in a shape, and add a shadow.
Border Color
Change the color of the lines used in a shape.
Fill Color
Change the color that’s used inside a shape.
Text Style
Change the font or the font style and color.
Rotate Left
or Rotate Right 
Click
to rotate the item to the left. Continue clicking to keep rotating.To rotate the item to the right, press and hold the Option key, then click
until you’re done rotating the item.Crop
Hide part of an item. Drag the corner handles until just the area you want to keep is shown within the frame’s border. You can also drag the frame to reposition it. When you’re ready, click Crop.
Annotate
Annotate the item by sketching or drawing on it using your nearby iPhone
When you’re finished, click Done.
