By Ryan Hanson · Tested on macOS 15.5, Rectangle 0.96 · Updated July 2026

Hit Ctrl+Opt+C in Rectangle and whatever window is active jumps straight to the middle of your screen. There's no native way to do this on a Mac — the shortcut is the whole trick.

Quick answer: macOS ships without a shortcut for centering. Grab Rectangle (it's free), click the window you want, and press Ctrl+Opt+C. The window lands dead center on the display you're using and keeps its size. Want a different key combo? Open Rectangle's preferences and click into the Center field.

Why bother centering at all

Almost every window management guide talks about splitting the screen — half left, half right, thirds across. Centering rarely comes up, which is strange, because when you're working in a single window it's one of the positions you reach for most. Drop a writing app in the middle of a 27-inch monitor and it reads comfortably. Push that same app into the left half and it feels tight. Blow it up to full size and suddenly you're staring at something closer to a spreadsheet.

And macOS won't help you here. Your options are dragging the window around and guessing where the middle is, or digging into a Window menu that most apps don't even have — Finder picked up a "Move to Center" item in Sequoia, but that's about it. Rectangle does the whole thing with one shortcut, and it behaves the same in every app.

The Center shortcut, step by step

Once the free Rectangle window manager is installed, click on the window you want and do this:

1. Press Ctrl+Opt+C

2. The window snaps to the true center of the display

3. Nothing about the size changes — it's purely a move

Worth stressing that last bit: centering leaves the dimensions alone. A browser window sitting at 1100×800 stays 1100×800, it just gets repositioned so there's even space on every side. And if that shortcut clashes with something else you run — IntelliJ IDEA users bump into this a lot — you can change it. Head into Rectangle's preferences, click the Center field, tap a new combination. It's saved the moment you press it.

Shortcut reference:

• Center — Ctrl+Opt+C

• Maximize — Ctrl+Opt+Return

• Almost Maximize — Ctrl+Opt+Shift+Return

• Restore previous size — Ctrl+Opt+Delete

Three places I reach for it daily

Writing. A slim centered window — somewhere around 800 to 900 pixels wide on a big screen — is about as close to a typewriter view as macOS gets. iA Writer and Ulysses have focus modes that pull off something similar, but only within those apps. Centering in Rectangle works anywhere: VS Code, Notes, even plain old TextEdit. Pull the edges in a touch, hit Ctrl+Opt+C, and you're set.

Video calls. Zoom and Meet tend to reopen wherever you last left them, which is usually somewhere annoying. One keystroke ahead of a call parks the window in the middle — your camera stays roughly at eye level and you're not craning toward a corner of the display for the next hour.

Reading. Long PDFs and articles go down easier in a centered window of medium width than in a browser stretched edge to edge. A Safari window around 1100 pixels wide, centered on a 5K iMac, drops the text right where your eyes naturally sit, with a bit of margin on either side.

What about setting the size too

Free Rectangle centers the window at whatever size it already is. If you want it to hit a specific size and center in a single move — a screen-recording window at exactly 1920×1080 in the middle, say — that's a Rectangle Pro thing. Pro lets you save custom window sizes with the position set to center and bind them to their own shortcut.

No Pro? The quick stand-in is Almost Maximize (Ctrl+Opt+Shift+Return), which fills roughly 90% of the screen and centers on its own. Not quite the same as a pixel-exact centered window, but for reading and writing it does the job.

Tip: on the free version, size your writing window the way you like once, then press Ctrl+Opt+C. macOS keeps track of where a window last sat per app, so it'll come back there on its own next time you open it — the two behaviors play nicely together.

Centering with more than one screen

Center always works on whichever display the window is currently on. To center it on an external monitor, toss it over there first with Ctrl+Opt+Right Arrow, then press Ctrl+Opt+C. If your monitors are different sizes or resolutions, Rectangle figures out the middle of each one separately, so the window ends up in the right spot no matter which screen it's on.

Common questions

How do I center a window on a Mac? Install Rectangle and press Ctrl+Opt+C. The active window drops to the center of the display right away and keeps its size. Mac has no built-in shortcut for this.

Does centering change the window size? It doesn't — Center only moves the window. If you want to center at a set size in one go, Rectangle Pro lets you save custom sizes with the position fixed to center.

Can I center a window without installing anything? On Sequoia and up, Finder has a Window → Move to Center option — but it's buried in a menu, has no shortcut, and most other apps don't offer it. For a one-key routine that works everywhere, Rectangle is the way to go.

What if Ctrl+Opt+C is already taken? Open Rectangle's preferences, click the Center field, and press any free combination — it saves instantly. IntelliJ IDEA users often end up remapping a few, since IntelliJ leans hard on Ctrl+Opt.

How's centering different from Almost Maximize? Center moves the window and nothing else. Almost Maximize resizes it to about 90% of the screen first, then centers. Want a big centered window in one step, use Almost Maximize; already got the size right, use Center.

Ryan Hanson writes about macOS tools and keyboard-first workflows. Every shortcut here was tested on macOS 15.5 with Rectangle 0.96 before publishing.