The fastest way to enlarge text on any screen

The quickest method is to hold Ctrl (on Windows) or Command (on Mac) and press the plus sign (+) key. Each press makes text about 10% larger. You can repeat this as many times as you need. To shrink text back down, use Ctrl or Command with the minus sign (−). To return to normal size, use Ctrl or Command with 0 (zero).

This method works in most programs: web browsers, email clients, word processors, and document viewers. The change applies only to what you are looking at right now—it does not permanently alter your computer's settings or affect other programs.

If you are using a trackpad or mouse instead of a keyboard, you can also hold Ctrl (Windows) or Command (Mac) and scroll upward to enlarge text, or scroll downward to shrink it.

Key Takeaways

  • Hold Ctrl (Windows) or Command (Mac) and press the plus sign to make text bigger in almost any program.
  • Each press increases text size by about 10 percent, and you can repeat as many times as needed.
  • Use Ctrl or Command with the minus sign to shrink text, or with zero to return to normal size.
  • Changes made this way affect only the current window or tab and do not permanently alter your computer settings.
  • If your keyboard lacks a plus sign, try Ctrl or Command with the equals sign, which produces the same result.

Changing text size in Windows settings

If you want text to stay larger across your entire computer—not just in one program—you can adjust the display scaling in Windows. Right-click on an empty area of your desktop and select Display settings. Scroll down until you see Scale and layout.

Under Scale, you will see a percentage (usually 100%). Click the dropdown menu and choose a larger percentage: 125%, 150%, or 175%. Windows will enlarge text, buttons, and icons throughout your system. You may need to restart some programs for the change to take full effect.

If the preset percentages do not suit you, look for a Custom scaling option in the same menu. This lets you set any percentage between 100% and 500%, though very high settings can make some programs look blurry or behave oddly.

Enlarging text on a Mac

On a Mac, go to System Preferences (or System Settings on newer versions) and click Displays. At the bottom of the window, you will see Resolution options. Select Scaled if it is not already selected, then choose a lower resolution from the list. Lower resolution makes everything on your screen larger, including text, icons, and windows.

The trade-off is that you see less content at once—a web page that normally shows ten items might now show only six. If you want to enlarge text without changing resolution, use the keyboard shortcut Command + plus sign in your web browser or document, which works the same way as on Windows.

Making text bigger in specific programs

Many programs have their own text-size controls. In Microsoft Word, look for a font-size dropdown menu in the toolbar—it usually shows a number like "12" or "14". Click it and choose a larger size. In Google Chrome or Firefox, the keyboard shortcut Ctrl + plus sign (or Command + plus sign on Mac) works in any tab. In Outlook or Gmail, look for a settings menu and search for "text size" or "font size".

Some programs also let you change the default text size so that every new document or email starts larger. In Word, for example, you can set a default font size by selecting your preferred size, then going to File > Options > General and looking for default formatting options. The exact steps vary by program, so check the program's help menu if you cannot find the setting.

Using accessibility features for vision

Windows and Mac both include built-in tools designed for people who have difficulty reading small text. On Windows, go to Settings > Ease of Access > Display. You can turn on Make text bigger, which enlarges text throughout Windows without changing resolution. You can also enable High contrast to make text stand out more against the background.

On Mac, go to System Preferences > Accessibility > Display. Turn on Increase contrast or Reduce transparency to make text easier to read. Mac also has a Zoom feature under Accessibility that lets you magnify your entire screen with a keyboard shortcut.

Troubleshooting when text will not get bigger

If the keyboard shortcut does not work, check whether the program is running in full-screen mode or if it has its own zoom controls. Some programs, especially older ones, do not respond to the standard Ctrl or Command plus-sign shortcut. In that case, look for a View menu at the top of the window—many programs hide zoom controls there.

If text is blurry after you enlarge it, your computer may be using a very high scaling percentage. Try lowering it by 25% and see if the text becomes sharper. Blurriness often happens at custom scaling percentages above 150%, so sticking to the preset options (125%, 150%, 175%) usually gives clearer results.

If you changed your display settings and now windows or text appear cut off at the edges, go back to Display settings and lower the scaling percentage. You may also need to restart your computer for the change to take effect properly.

Frequently Asked Questions

Will making text bigger slow down my computer?

No. Changing text size or display scaling does not affect your computer's speed or performance. It is purely a visual adjustment that tells your computer how to display what is already there.

Can I make text bigger in only one program and leave others normal?

Yes. Use the Ctrl or Command plus-sign method to enlarge text in individual programs or browser tabs. This change stays in that program only. If you want to change text size permanently across your whole computer, you must adjust your display settings in Windows or Mac preferences.

What if I make text too big and cannot see the buttons to undo it?

Use the keyboard shortcut to reset: press Ctrl or Command with the zero key. This returns the current program to 100% size. If that does not work, close the program entirely and reopen it—it will return to its default size.

Does making text bigger work the same way on all websites?

Yes, in web browsers. The Ctrl or Command plus-sign shortcut works on almost every website. However, some websites are designed with fixed text sizes that may not enlarge smoothly, or text may wrap awkwardly. If a website does not enlarge properly, try using your browser's reader mode (available in Firefox and Safari) which reformats the page for easier reading.

Can I set a default text size so I do not have to enlarge it every time?

Yes. In Windows, adjust the scale percentage in Display settings to make everything larger by default. In Mac, lower your resolution in Display settings. In web browsers, you can set a default zoom level in preferences—the browser will remember your choice and explore it to all websites you visit.