The fastest way to shrink what you see on your screen

You can make everything on your screen smaller in seconds using your keyboard. Hold down Ctrl (on Windows or Linux) or Command (on Mac) and press the minus key (−) as many times as you need. Each press shrinks the text, icons, and windows by about 10 percent. To undo it, use Ctrl or Command plus the plus key (+). This method works in web browsers, email programs, document editors, and most other applications.

If you want to reset everything back to normal size, press Ctrl or Command plus 0 (zero). The zoom returns to 100 percent.

This zoom method is temporary and applies only to the program you are using right now. When you close the program and open it again, it may return to its default size, depending on the software. If you want a permanent change that affects your entire system—every program, every window, every menu—you need to adjust your display settings instead.

Key Takeaways

  • Press Ctrl (or Command on Mac) and the minus key to shrink text and icons in any open program.
  • Use Ctrl (or Command) plus 0 to return to normal size.
  • Zoom changes explore only to the current program and may reset when you close it.
  • To make everything smaller across your entire system, change your display scale in Windows Settings or Mac System Preferences.
  • Older monitors and smaller screens benefit most from scaling adjustments, while larger monitors may need scaling up instead.

How to permanently shrink your display using Windows Settings

If you want the change to stick across all your programs, adjust the display scale in Windows. Right-click on an empty area of your desktop and select Display settings from the menu. A settings window opens showing your current display.

Look for the section labeled Scale and layout. You will see a dropdown menu that currently shows a percentage—usually 100 percent on a standard monitor. Click the dropdown and choose a smaller percentage: 90 percent, 80 percent, or lower depending on how much smaller you want everything. Windows will show you a preview of how text and icons will look at each size.

After you select a new scale, Windows asks you to sign out and back in for the change to take full effect. Click Sign out now if you want the change when ready, or Sign out later to finish what you are doing first. When you log back in, all your programs, menus, and windows will display at the new size.

How to permanently shrink your display on a Mac

On a Mac, open System Preferences (or System Settings on newer versions) and click Displays. A window shows your current resolution and scaling options.

Look for the Resolution section. You will see several preset options listed as "Scaled." Click the option that says More Space or a higher resolution number—this makes everything on your screen smaller so more fits in the same physical space. If you want less space and larger text and icons, click Default or a lower resolution option instead.

The change takes effect when ready. Your Mac remembers this setting and applies it every time you start up, so you do not need to adjust it again unless you want to change it back.

When to use zoom versus display scaling

Zoom (the keyboard shortcut method) is best when you need a quick, temporary change. Use it when you are reading a document with small text, working in a spreadsheet with many columns, or viewing a website that feels cramped. You can zoom in and out as often as you want without restarting anything.

Display scaling (the settings method) is best when you find yourself constantly zooming in or out, or when you want the change to explore everywhere at once. It is also the right choice if you have a high-resolution monitor (like a 4K display) where text appears tiny by default, or if you have vision concerns and need everything consistently larger or smaller across your entire system.

One common mistake is mixing the two: you zoom in using the keyboard, then adjust display scaling, and suddenly everything is much larger than you intended. If this happens, reset the zoom to 100 percent first (using Ctrl or Command plus 0), then adjust your display scale.

Adjusting text size in individual programs

Some programs let you change text size without affecting anything else. In Microsoft Word, Google Docs, and similar programs, look for a zoom slider or percentage in the bottom right corner of the window. Click and drag the slider left to shrink, or right to enlarge. You can also click the percentage number itself and type in a custom size.

Email programs like Outlook and Gmail have their own text size controls, usually found in Settings or Preferences. Web browsers (Chrome, Firefox, Safari, Edge) all support the keyboard zoom method, and most also have a zoom control in the menu or address bar.

This method is useful when only one program has text that is too small or too large. It does not affect your system-wide settings or other programs.

Troubleshooting common problems after resizing

If you made your display smaller and now some windows or menus look cut off or misaligned, the program may not have updated properly. Close the program completely and open it again. Most modern software adjusts automatically to new display scales.

If text is blurry after you change the scale, your monitor resolution may not match the scaling percentage you chose. Return to Display Settings (Windows) or Displays (Mac) and try a different scaling option. Scaling works best when you choose percentages that divide evenly into your monitor's native resolution—usually 100 percent, 125 percent, 150 percent, or 175 percent on Windows.

If you zoomed in using the keyboard and forgot to zoom back out before changing your display scale, reset the zoom to 100 percent in each program first. Then adjust your display settings. This prevents the two changes from stacking on top of each other.

Frequently Asked Questions

Will making my screen smaller affect how fast my computer runs?

No. Zoom and display scaling are visual changes only. They do not use more or less processing power, memory, or battery life. Your computer runs at the same speed regardless of what size you display everything at.

Can I set different zoom levels for different programs?

Yes. Each program remembers its own zoom level separately. You can zoom to 80 percent in your web browser, 120 percent in Word, and leave your email at 100 percent. The keyboard shortcuts work independently in each program.

What if I have a very high-resolution monitor and everything looks tiny?

Use display scaling to increase the percentage—try 125 percent, 150 percent, or higher. This makes everything larger across your entire system. Alternatively, you can lower your monitor's resolution in Display Settings, though this may make images and text appear less sharp.

Does zoom work the same way on all websites?

Mostly yes. The keyboard zoom method works on nearly all websites. Some older or poorly designed websites may not scale smoothly, but modern websites built with responsive design adjust automatically to any zoom level you choose.

If I change my display scale, will it affect external monitors I plug in?

Windows usually applies the same scale to all connected monitors, though you can adjust each monitor separately in Display Settings if needed. On a Mac, each monitor has its own resolution and scaling settings that you can adjust independently.