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Mark up PDFs

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Use the markup toolbar in Preview to add text and comments, sign documents, highlight text and more. To show the markup toolbar, click the Show Markup Toolbar button at the top of the window, or choose View > Show Markup Toolbar.

Add text

In most PDFs, you can simply click a text field, then type to enter text in the field.

If you can't add text to a field, use a text box instead:

• Click the Text button in the markup toolbar, or choose Tools > Annotate > Text.
• To show font, size and colour options for text in a text box, click the Text Style button in the markup toolbar.
• To move the text box, just drag it.

Highlight text

To turn highlight mode on or off, click the Highlight button in the toolbar. When highlight mode is on, highlights appear when you select text.

• To change the highlight colour or switch to strikethrough or underline, click next to the Nightlight button , then choose an option.
• To remove a highlight, Control-click the text, then choose Remove Highlight.

Add notes

To add a note, click the Note button in the markup toolbar, or choose Tools > Annotate > Note.

• To close the note, click outside the note box. You can move notes anywhere on the document.
• To open a note, click the note box.
• To see all notes and highlights, choose View > Highlights and Notes.

Add your signature

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1. Click the Sign button in the markup toolbar, or choose Tools > Annotate > Signature.
2. Click Create Signature, then choose whether to use your trackpad, built-in camera, or iOS device to create a signature:
   • Click Trackpad, then use your trackpad to sign your name with your finger. If you have a Force Touch trackpad, you can press harder on the trackpad to sign with a darker line. After you sign your name, press any key on the keyboard.
   • Click Camera, then sign your name on white paper and hold it up to the camera. Your Mac will automatically scan the signature and show it in the Camera window.
   • Click iPhone (or iPad or iPod touch), then sign your name on your device's screen when prompted. Learn more about using iPad, iPhone or iPod touch to sketch in or mark up documents.
3. Click Done.
   
4. Choose your signature to add it to the document. You can move and resize it anywhere on the document.
   

Edit images

• Crop: Drag to select the crop area, then choose Tools > Crop.
• Rotate: Choose Tools > Rotate Left or Rotate Right.
• Adjust colour: Choose Tools > Adjust Color, then drag a slider to make an adjustment.
• Adjust size: Choose Tools > Adjust Size, enter the desired dimensions, then click OK.
• Get quick access to edit controls: Click the Show Markup Toolbar button at the top of the window.
  

Share and export

• To share your file, click the Share button , or choose File > Share. Then choose an option.
• To save your document or image in a different format, choose File > Export, choose a format, then click Save.

Learn more

Many people assume they need an Adobe subscription to edit photos even semi-professionally, but that's not true. Photos for Mac is the answer for anyone who wonders, “Does Mac come with a photo editor?” Moreover, the good old Preview you use to open PDFs and images has enough tools for basic photo editing. In this guide, we’ll take a closer look at what you can do with Mac’s native photo editors and exactly how to do that.

How to edit pictures on Mac using the Photos app

As an editing app, Photos comes with everything you need to adjust the quality, light, color, sharpness, and other qualities of the pictures you take. It may lack the editing power of professional software like Photoshop, but it’s the perfect tool for aspiring and amateur photographers. It’s equally useful for the millions of us who take pictures every day and want to make them look good before posting online and sharing with friends. With this free photo editor for Mac, you’ll be able to adjust, resize, crop, rotate, and enhance your photos, as well as apply filters to them — all without spending a penny.

To edit a picture, go through the following steps:

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1. Launch the Photos app
2. Find the image, or group of images, you want to edit in your library
3. Double-click on the photo you want to edit (or press Command-Return)
4. Click Edit in the toolbar. Now you’ll see three tabs above the image: Adjust, Filters, and Crop. Clicking on one will unveil further editing options in the right-hand menu.
5. Another way to open a picture to edit is to press Command-Return to open in Edit view

How to adjust pics in the Photos app

There’s a whole range of ways you can use the Adjust feature to make significant or subtle changes to your pics. (And remember, if you aren't happy with any of them, just click Revert to Original in the top left-hand corner of the editing window).

The Photos Adjust feature can be broken down into a number of specific tools.

• Light: everything from shadows to brightness to contrast
• Color: make it warmer, colder, or adjust specific colors in a small area of a picture
• Black & White: make the shot monochrome
• Retouch: improve sharpness and other aspects of the picture
• Red-eye: remove red eyes on a pic<
• White Balance, Curves, Noise Reduction, and many more

Each of these settings can be adjusted with series of sliders. Simply move one or more and watch the photo change. Click Done once you are happy with the edits you’ve made.

How to crop photos on Mac using Photos

When you crop a picture, you can adjust the ratio or remove the parts you don't want to improve its composition. With Photos, you can also flip it from horizontal to vertical, or the other way around.

Here is how you crop an image using Photos:

1. Launch Photos
2. Find the photo you want to edit and double-click on it
3. Click Edit and go to Crop in the top toolbar of Photos
4. Click on Aspect on the right to choose an aspect ratio, or click Auto In the bottom right-hand corner of the screen to crop automatically
5. Click Done once you are happy with the picture

Another way to crop or resize is to make these changes manually. Go through steps 1 - 3 above, then select Aspect. Now you can adjust the aspect ratio according to a series of pre-set parameters.

Once you're satisfied with the result, click Done, or revert to the original if you want to start over.

How to apply filters in Photos

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In Photos you have a series of nine filters designed to copy classic photography styles. Filters have been a part of taking photos — professionally and for fun — for generations before Instagram and Snapchat, so Apple made it easy to apply these with a few clicks.

Here’s how you apply a filter in the Photos app:

1. Launch Photos
2. Find the photo you want to edit and double-click on it
3. Click Edit and go to Filters in the top toolbar
4. Choose from the Vivid, Dramatic and Black & White options
5. Once you’re happy with the changes, click Done, or revert to try again

How to edit photos with Mac’s Preview

Another way to make changes to photos using a native Mac tool is to use Preview. Although most people use it to view and make some changes to PDFs, it can also be helpful in making quick changes to images. It isn’t as feature-rich as Photos, but if you need a quick adjustment before sending or publishing a photo, it can get the job done. Let’s start with the basics: resizing an image.

How to resize an image with Mac’s Preview

Resizing an image doesn't have to be a guessing game. Do the following to make a proportional resize and avoid the image looking squished or too stretched:

1. Open the photo with Preview
2. Go to Tools in the Apple menu
3. Click Adjust Size
4. This will open a window where you can adjust the size of the pic either in pixels or in inches/centimeters.
5. Make sure you keep the Scale proportionally box checked. That way the image will preserve its original aspect ratio.
6. Click OK when you’re done

To rotate a photo, there is a rotate button on the top toolbar of the app (it looks like a square with an arrow). Click once or more, depending on how many times an image needs rotating to get in the right position. From the Apple menu, click File > Save once you're done.

If you want to undo any changes, click Edit, then select Undo. You can also revert to the original to start again before making further edits. To do that, go to File > Revert to > Last Opened.

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Now, if you want to crop an image, that’s also easily done with Preview, although the app lacks the more robust options available in Photos.

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1. Click and drag your cursor on the area of the picture you want to crop
2. Click the Crop button in the top right-hand corner
3. Now click File > Save to save this image, or revert or undo to start again

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And finally, you can also adjust the color using Preview. Here’s how:

1. Click Tools in the Apple menu
2. Go to Adjust Color
3. A range of sliders will appear, giving you the tools to adjust any of the following: exposure, contrast, highlights, shadows, saturation, temperature, tint, sepia, and sharpness. Although not quite as many options as Photos offers, this is a decent selection of edits that you can make quickly and easily without any third-party apps.

Between Photos and Preview, every Mac user has two robust, easy-to-use native photo editors to edit pictures to perfection before posting them online, sharing with friends and family, or sending to a client. No need to spend weeks mastering Photoshop or other heavyweight photo editors — any change you need is a few clicks away.

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