Case Converter
Switch any text between uppercase, lowercase, title case, and sentence case. Updates live as you type.
About Case Converter
A case converter fixes a tedious, error-prone task that every writer and developer hits: reformatting text into a different capitalization style. Headings need title case, form values need lowercase, and quotes or slogans read best in sentence case. Doing this by hand across a paragraph is slow and inconsistent, so this tool applies the rules instantly and updates live as you type.
Uppercase and lowercase are straightforward character transforms, while title case capitalizes the first letter of each major word and sentence case capitalizes only the first word and proper nouns. The tool preserves line breaks and paragraph structure exactly, so long documents survive the transform intact, and there is no practical length limit for client-side processing. Word boundaries are handled correctly, keeping apostrophes and hyphenated terms in good shape.
Content writers polishing headlines, copy editors normalizing submissions, and marketers formatting social posts and ad copy all use it daily. Developers normalizing user input or test data, students fixing citation formats, and anyone preparing text for a UI where the case matters will save time. It's also handy for converting all-caps blocks into readable sentence case for editing.
How to Use
- Paste or type your text.
- Tap the case style you need: upper, lower, title, or sentence.
- Copy the converted text with one click.
Example
"the quick brown fox" → Title Case The Quick Brown Fox
Title case capitalizes the first letter of each significant word. It's the standard style for headings and article titles.
FAQ
What is the difference between title case and sentence case?
Title case capitalizes every major word; sentence case capitalizes only the first word and proper nouns, like this sentence.
Can I convert a whole document?
Yes, the tool accepts long text and processes every line. There's no practical length limit for client-side conversion.
Does it preserve line breaks?
Yes. Line breaks and paragraphs are preserved exactly, so formatted text stays formatted.
Is title case the same as Capitalize Each Word?
Generally yes, though specific tools differ on minor words like 'and' or 'the.' This converter capitalizes every word for the straightforward title-case convention.
Will the converter change numbers or symbols?
No. Numbers, punctuation, and symbols are left exactly as they are; only letter capitalization changes.