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The Easiest Way to Resize All Windows on Your Mac Simultaneously to the Same Dimensions

MacOS desktop interface with multiple overlapping windows and navigation elements on a screen.

It can feel pretty chaotic when you have a lot of open windows on your Mac that are different sizes, but there's an easy way to organize the mess in just a few seconds.

I regularly have a ton of windows open across my MacBook and external displays. Right now, I have 11 apps open with 24 windows spread across them. With that many windows, I could split them into different desktop spaces, but I like them all in one since I need to look at multiple windows from various apps simultaneously.

Cluttered macOS desktop with overlapping app windows including Chrome, Photoshop, Finder, and Shortcuts, obscuring content and making workspace navigation difficult.

Because of that, I tend to arrange my apps in cascading windows and hide or minimize the ones I use less frequently to quickly tell which window is which. Mission Control usually does the trick if I can't locate a window at a glance.

But when all the windows are different sizes, it looks like a giant, cluttered mess, resulting in me having to try and manually resize each window over and over again, breaking up my workflow multiple times throughout the day. There were tricks to resizing all windows on macOS using Apple Scripts and third-party apps like Magnet, but there's an easier way on macOS 12 Monterey and newer.

Configure a Resize Windows shortcut

You can quickly build a window-resizing macro on your Mac using the Shortcuts app, which only requires a few actions. Open Shortcuts, then create a new shortcut:

  • Press Command-N

  • Go to File » New Shortcut in your menu bar

  • Click the ➕ (plus sign) near the search bar

Search for and add "Find Windows" to the workflow as the first action. By default, sorting is disabled, but select "None" in the sorting drop-down to change it to one of the following:

  • App Name

  • Width

  • Height

  • X Position

  • Y Position

  • Window Index

  • Name

  • Random

  • None

You can also limit the number of windows your shortcut applies to via the "Limit" checkbox. Check it, then select the number of windows it should get. Alternatively, click the More (•••) button next to "Limit" to switch to "Ask Each Time" or "Shortcut Input."

Find Windows action in macOS Shortcuts app with no filters set, showing options to sort results, limit them, or add filters for window searches.

Then, search for and add "Resize Window" as the second action. Checking "Bring to Front" will bring each window to the front placement on your desktop in the order they are resized.

Resize Window shortcut in macOS set to find all windows and resize them to fit the screen, with the option enabled to bring each window to the front.

If you did it in that order, Resize Window would use the first action's results as the variable, but you'll need to pick how you want the windows resized. "Fit Screen" is chosen by default, but you can click that to select a different sizing method. You can choose between:

  • Fit Screen

  • Top Half

  • Bottom Half

  • Left Half

  • Right Half

  • Top Left Quarter

  • Top Right Quarter

  • Bottom Left Quarter

  • Bottom Right Quarter

  • Dimensions

  • Select Variable

  • Ask Each Time

  • Shortcut Input

Resize Window action in macOS Shortcuts with ‘Dimensions’ selected, showing window placement options like Top Half, Bottom Right Quarter, Select Variable, and Shortcut Input.

For me, "Dimensions" makes the most sense; I want all windows to be the same size, no matter what display they're on, without forcing them into a specific spot on the screens. If you choose that, add the width and height in pixels that each window should be.

Resize Window shortcut in macOS set to resize all windows to 1100 × 750 pixels, with no sorting or limit, and ‘Bring to Front’ option enabled.

If you don't want to commit to any size or position, leave it open with "Ask Each Time." When you run the shortcut, it will ask you which option you want each time.

Resize Window action in macOS Shortcuts with ‘Ask Each Time’ selected, showing preset window positions like Fit Screen, Top Half, and Bottom Right Quarter in the dropdown menu.

And that's all there is to it, besides giving the shortcut a name. When you run the shortcut from the Shortcuts app or using Siri, it will provide you with the desired output.

Variations

You could build on this shortcut if you want different apps to have different-sized windows or if you want to move windows to another location, so feel free to play around. For example, if you only want to resize your most current window, set the Find Windows action to:

  • Sort by: Window Index

  • Order: Smallest First

  • Limit: True

  • Get: 1

Resize Window shortcut on macOS set to resize the smallest-indexed window to 1100 × 750 pixels, bringing it to the front after sorting by window index.

And here are some more options:

Access the Resize Windows shortcut faster

If you want an even easier way to run the shortcut, open the editor back up for the shortcut, then do one of the following:

  • Click on the "Shortcut Details" button.

  • Use the Option-Command-2 keyboard shortcut.

  • Go to View » Show Shortcut Details in the menu bar.

From the Shortcut Details, you can:

  • Pin in Menu Bar: The Shortcuts app icon will appear in your Mac's menu bar. Click that, then the shortcut you want to run. All menu bar shortcuts will appear in a new "Menu Bar" folder in Shortcuts.

  • Use as Quick Action: Between Finder, Services Menu, and Provide Output, only the Services Menu makes sense for resizing windows because you can open it from any app's name in the menu bar.

  • Add Keyboard Shortcut: If you don't want to do any clicking, you can assign a keyboard shortcut of your liking.

  • Show in Share Sheet: This is the least helpful option since it's the least efficient way to trigger a window-resizing shortcut, but it's there if you want to try it.

  • Receive What's On Screen: Not applicable to this use case.

  • Show on Apple Watch: Also not applicable to this use case.

Shortcuts menu in macOS with multiple window resizing options, pinned to the menu bar for quick access, including custom dimensions and quarter-screen placements.

Another option is to add the shortcut to your dock. With the shortcut's editor open, go to File » Add to Dock in the menu bar. You can also right-click on the shortcut's card from your shortcuts list and choose "Add to Dock."

macOS Dock with the Shortcuts app icon for ‘Resize Windows’ highlighted, showing it was added for quick access alongside commonly used productivity and design apps.

Run the Resize Windows shortcut

No matter how you run the shortcut — from the Shortcuts app or via Siri, the Services menu, your dock, or the menu bar — it will find all the on-screen windows and resize them to your desired dimensions or position. If you limit the number of windows it can get, it will only work on those.

Either way, any hidden or minimized windows will not be changed, so they'll be a different size when you open them.

Also, if using multiple monitors, ensure the windows are on the displays you want before triggering the shortcut. If you drag and drop them between monitors of different resolutions, they may become a different size.

If you set the shortcut to ask what you want to do each time, a Mission Control window will appear where you can pick the action you want. When you choose "Dimensions," you must enter the width and height in pixels.

Resize Windows shortcut in macOS with Mission Control configuration panel open, showing layout options like Fit Screen, Top Half, and Dimensions for customizing window placement.

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Cover photo, screenshots, and GIF by Gadget Hacks.

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