Turn text into UPPERCASE, lowercase, Title Case or Sentence case with one click. Paste your text, press a button, copy the result – useful for headings, essays and social media posts.
See when to use each case in our guide: How to Change Text Case
How to use the Text Case Changer
- Type or paste your text into the top box.
- Press the button for the style you want: UPPERCASE, lowercase, Title Case, Sentence case or aLtErNaTiNg.
- The converted text appears in the Result box below. Your original stays untouched in the top box.
- Press Copy result to copy the new text, then paste it where you need it.
- Press Clear to empty both boxes and start again.
What the results mean
- UPPERCASE turns every letter into a capital: “hello world” becomes “HELLO WORLD”. Best kept for short labels, signs and abbreviations, because long stretches of capitals are slow to read.
- lowercase turns every letter small: “Hello World” becomes “hello world”. Handy for email addresses, web addresses, file names and tags, where stray capitals can cause trouble.
- Title Case puts a capital at the start of every word: “hello world” becomes “Hello World”. This is the style for headings, titles and menu labels.
- Sentence case capitalises the first letter of each sentence and leaves the rest small: “hello. how are you?” becomes “Hello. How are you?” This is the normal style for ordinary writing.
- aLtErNaTiNg takes turns, small letter then capital, all the way through: “abc” becomes “aBc”. Mostly for fun: nicknames, playful posts and jokes between friends.
Worked example
Put this text in the top box:
hello world from samiya
- UPPERCASE gives: HELLO WORLD FROM SAMIYA
- lowercase gives: hello world from samiya (no change — it was already lowercase)
- Title Case gives: Hello World From Samiya
- Sentence case gives: Hello world from samiya
- aLtErNaTiNg gives: hElLo WoRlD fRoM sAmIyA
Notice the capital F in “From” under Title Case. This tool capitalises every word, big or small. That is fine for most headings, but if a style guide asks you to keep small words like “a”, “the” and “from” lowercase in titles, adjust those few words by hand afterwards.
Common mistakes
- Pasting into the Result box. It is locked against typing on purpose. Always paste into the top box, and read the answer in the Result box.
- Converting a whole document when only a heading needed fixing. Sentence case applied to everything will flatten capitals you wanted to keep. Convert just the heading.
- Forgetting names after Sentence case. It lowercases the whole text first, so “London”, “Dr Ahmed” and “BBC” lose their capitals mid-sentence. Read through and restore the handful of names.
- Writing a long message in UPPERCASE. On screen, capitals read as shouting, even when you mean no harm at all.
Frequently asked questions
Q: Does the tool change my original text?
No. The top box always keeps what you typed. Converted versions appear in the Result box only, so you can try all five styles on the same text and pick the one you like best.
Q: Why did my name lose its capital in Sentence case?
Sentence case starts from all-lowercase text, then repairs the start of each sentence. It cannot tell a name from an ordinary word, so names need fixing by hand after converting. There are usually only a few.
Q: Is the text I type here stored or sent anywhere?
No. The conversion happens in your own browser, on your own device. Nothing leaves the page, which is why the tool still works the moment the page has loaded.