Overview:
You just pasted a paragraph that’s entirely in caps lock, or you typed a heading and now need it in title case, and retyping the whole thing feels like a waste of time. Word has three built in ways to change case in Word without retyping a single letter, and one of them takes about two seconds once you know it.
This guide covers all three methods, from fastest to most precise, plus a free tool you can use even when Word isn’t open. The steps work the same way in Word for Windows and Word for Mac, with one small keyboard difference covered in Method 1.
Method 1: The Shift + F3 Keyboard Shortcut
This is the fastest way to change case in Word, and it works without touching your mouse.
- Select the text you want to change. To select an entire document at once, press Ctrl+A first.
- Press Shift+F3.
- Keep pressing Shift+F3 to cycle through the case options. According to Microsoft’s own support documentation, the shortcut cycles through lowercase, UPPERCASE, and Capitalize Each Word.
- Stop pressing once you land on the case you want.
If you’re on a laptop, function keys are often reserved for system controls like brightness or volume by default. If Shift+F3 doesn’t seem to do anything, hold Fn+Shift+F3 instead.
This method wins when your hands are already on the keyboard and reaching for the mouse feels like an extra step you don’t need.
Method 2: The Change Case Menu on the Ribbon
This method shows you every option at once instead of cycling blindly through a shortcut.
- Select your text.
- Go to the Home tab.
- In the Font group, click the Change Case button. It looks like a capital and lowercase A with a small dropdown arrow next to it.
- Choose your option from the dropdown.
Here’s what each option actually does, with an example so you can see the difference at a glance.
| Option | What It Does | Example |
| Sentence case | Capitalizes the first letter of each sentence, lowercases the rest | “this is a test.” becomes “This is a test.” |
| lowercase | Removes all capitalization | “THIS IS A TEST.” becomes “this is a test.” |
| UPPERCASE | Capitalizes every letter | “this is a test.” becomes “THIS IS A TEST.” |
| Capitalize Each Word | Capitalizes the first letter of every word, also known as title case | “this is a test” becomes “This Is A Test” |
| tOGGLE cASE | Flips the case of every letter, turning capitals into lowercase and lowercase into capitals | “This Is A Test” becomes “tHIS iS a tEST” |
This method wins when you need true title case or toggle case, since neither of those is available through the Shift+F3 shortcut.
Method 3: All Caps and Small Caps via the Font Dialog Box
This method looks similar to the first two, but it works completely differently under the hood, and that difference matters.
- Select your text.
- Press Ctrl+D, or right click and choose Font, to open the Font dialog box.
- Under Effects, check All Caps or Small Caps.
- Click OK.
Here’s the critical distinction most guides skip over. Unlike Methods 1 and 2, this option does not change the underlying text at all. It applies a font effect that displays your text in capitals while the actual characters underneath stay exactly as you typed them. If you copy this text into another document or paste it into a plain text field, it may revert to its original case, because the formatting doesn’t travel the same way a true character change does.
Uncheck the box at any time and your original text reappears exactly as you typed it, since nothing was ever actually rewritten.
Use this method when you want the visual effect of capitals, like in a heading style, but you want the real text underneath preserved for accurate spell check or searching.
Which Method Should You Use?
Use Shift+F3 when you’re working fast and want to stay on the keyboard the whole time.
Use the Change Case ribbon menu when you want to see every option clearly, especially when you need true title case or toggle case.
Use the Font dialog All Caps option only when you specifically need the visual capital letter effect without altering the real text underneath it.
Need to Change Case Outside of Word?
These methods only work inside Word itself. If you’re formatting text in an email, a social media caption, a spreadsheet cell, or anywhere else Word’s shortcuts can’t reach, paste your text into our Case Converter instead.
Paste your text, pick your case, copy the result. It works the same way every time, regardless of which app you’re typing in.
Frequently Asked Questions
Why isn’t Shift+F3 working on my keyboard?
This usually happens on laptops where function keys are reserved for system controls like brightness or volume by default. Hold Fn+Shift+F3 instead, and the shortcut should work normally.
Does changing case with Shift+F3 actually edit the text, or just the appearance?
It genuinely changes the underlying characters. This is different from the All Caps font effect in Method 3, which only changes how the text looks without touching the actual characters.
Can I undo a case change in Word?
Yes. Press Ctrl+Z immediately after the change, the same way you’d undo any other edit in Word.
Does this work the same way in Word Online as it does in desktop Word?
Mostly yes. The Change Case button on the Home tab works the same way in Word Online. The Shift+F3 keyboard shortcut can behave inconsistently in a browser depending on which keyboard shortcuts your browser intercepts first, so the ribbon method is the more reliable option if you’re working in Word Online.
Is there a way to change case without opening Word at all?
Yes. Paste your text into a free online case converter, which handles the same conversions instantly in your browser without needing Word installed.