Skip to main content

How to resize an image on Mac, Windows, and a Chromebook

windows 11 taskbar third party app pinning
Microsoft / Microsoft

Resizing an image is something we’re all going to have to do at some point in our digital lives. And whether you’re using Windows, macOS, or you’re rocking a Chromebook, there are ways to scale images up and down on each PC. Fortunately, these are all relatively simple methods too.

Difficulty

Easy

Duration

15 minutes

What You Need

  • Windows 11 PC, Mac, or Chromebook

  • Windows Photos, Preview in macOS, or Gallery in ChromeOS app

While there’s a near-limitless world of photo-editing programs out there, we made sure to highlight tools in this multi-step guide that any Windows, macOS, or Chromebook user will have access to.

With that being said, here’s how to resize images in Windows 11, macOS Sonoma, and ChromeOS.

The Select Resize screen in the Windows Photos app.
Image used with permission by copyright holder

Windows 11

For Windows 11 PCs, we prefer to use the operating system's native Photos app. Follow the steps below to resize an image in Photos on Windows 11:

Step 1: Right-click on the image and select Open with followed by Photos.

Step 2: Select the Three dots icon located in the app’s top-right corner.

The Save Resized Copy button in the Windows Photos app.
Image used with permission by copyright holder

Step 3: Select Resize on the drop-down menu.

Step 4: A pop-up window appears. Select one of the three preset sizes (shown on the left). Otherwise, choose Define custom dimensions for a specific size. Another pop-up window appears (shown on the right).

Step 5: To keep the aspect ratio, select the box next to Maintain aspect ratio.

As you enter a number into one of the boxes, the other box will automatically adjust its number in proportion to the number you just entered. If the aspect ratio doesn’t matter, don’t check the box, and enter the numbers in both boxes.

Step 6: Select the purple Save resized copy button.

Selecting Adjust Size in the Preview app on macOS.
Image used with permission by copyright holder

macOS

On macOS, you can use Preview to resize images. Here's how to do that:

Step 1: Right-click on the image and select Open. If Preview is not your default image viewer, select Open with followed by Preview instead.

Step 2: Select Tools on the menu bar.

Step 3: Select Adjust size on the drop-down menu.

Customizing the size of an image in Preview on macOS.
Image used with permission by copyright holder

Step 4: Enter the width and height information. You may need to switch the size type, like changing from inches to pixels, as shown above. Alternatively, you can select a preset size by selecting the arrows next to Fit into.

Step 5: Select the blue OK button to confirm the new size.

Step 6: To save the resized image, select File on the menu bar.

Step 7: Select Save.

Resizing an image in ChromeOS via the Gallery app.
Image used with permission by copyright holder

ChromeOS

You can use ChromeOS' Gallery image viewer app to resize images. Use the steps below to resize images via Gallery:

Step 1: Right-click on the image and select Open with Gallery on the pop-up menu. Alternatively, if Gallery is not your default image viewer, select Open with followed by Gallery.

Step 2: Select the Rescale button at the top.

Step 3: Enter the width and height. Select the Chain icon to unlock the aspect ratio if needed.

Step 4: Select the blue Save button. Alternatively, select the blue Down arrow to choose Save as if you don’t want to alter the original image.

Web (Pixlr X)

Pixlr X is a free web app you can use to make simple edits to your images, including resizing them. Follow the steps below to resize an image using Pixlr X:

Step 1: Head to Pixlr X.

Step 2: Select the blue Open image button. Choose the image you want to edit.

Step 3: Find the Layout and Template button and select it. It looks like a group of three rectangles.

Selecting the Smart Resize button in Pixlr X.
screenshot/Anita George / Digital Trends

Step 4: In the Layout menu, select Smart resize.

Step 5: On the Smart resize screen that appears, you can enter in your desired width and height measurements, lock or unlock the aspect ratio with the Lock proportions toggle, or even choose from a variety of size presets.

The Smart Resize screen on Pixlr X.
screenshot/Anita George / Digital Trends

Step 6: Once you've made all your changes, select the blue Apply button.

Step 7: Find the blue Save button at the bottom and click it.

Step 8: Enter the file name, select your preferred file type, and adjust quality as needed. Once everything is as you want it, select the blue Save button.

Your edited image should be saved to your Downloads folder. There is a daily limit of three free saves.

Michael Bizzaco
Michael Bizzaco has been writing about and working with consumer tech for well over a decade, writing about everything from…
How to choose between a MacBook and a Windows laptop
The keyboard and trackpad of the MacBook Pro.

When shopping for a new laptop one of the biggest decisions you'll make is choosing between MacBooks or Windows laptops. And it's not always an easy decision. New advances in chip technology are propelling even entry-level MacBooks to high-performance targets, and a shift in Windows laptops away from cheap plastics evens the playing field between these two platforms. Both Windows 11 and macOS are intuitive and clean operating systems. But where they differ comes down to one key element: their ecosystems.

What this means for you is that choosing an option from a list of the best laptops isn't so simple. The laptop you choose today can greatly influence which accessories you buy, which apps you use, and even what kind of phone you carry. Your entire workflow will depend on the platform you go with, from how you manage windows to which keyboard shortcuts work best. It's not a light decision.

Read more
How to play Fortnite on a Mac: all methods, explained
epic games needs to address fortntte crunch fortnite on mac 7616

It's not easy to play Fortnite on a Mac, but it is doable. Apple and Epic Games have had their disputes over the years, with Apple's App Store practices making it tricky to play a range of games on Macs, *Fortnite *included.

Technically, you can play Fortnite natively on MacBooks and Macs running Apple hardware -- though the M1 MacBook Air is probably not powerful enough -- but it won't be the full updated version. You're much better off using one of several major game streaming services, as that will get Fortnite running far more smoothly.

Read more
How to deactivate your Instagram account (or delete it)
A person holding a phone with the Instagram app open on it.

Oh, social media. Sometimes it’s just too much, folks. If you’re finding yourself in a position where shutting down your Instagram account for a period of time sounds good, Meta’s powers that be have made it pretty simple to deactivate your Instagram account. It’s also quite easy to completely delete your Instagram, although we wouldn’t recommend this latter option if you plan on returning to the platform at a later date.

Read more