Case Converter
Convert text between UPPERCASE, lowercase, Title Case, and Sentence case instantly.
How it works
Type or paste text, then pick a case style. Title Case capitalizes major words and keeps small words like "a" and "the" lowercase (except the first word); Sentence case capitalizes the first letter after each period, question mark, or exclamation point.
Examples
"hello world" → "HELLO WORLD""the great gatsby" → "The Great Gatsby""hi there. how are you?" → "Hi there. How are you?"Frequently asked questions
What is Title Case?
Title Case capitalizes the first letter of most words, while keeping small connector words (a, an, the, and, of, etc.) lowercase unless they start the text — the convention used for book and article titles.
Is my text uploaded anywhere?
No. Conversion happens entirely in your browser using JavaScript — nothing is sent to a server.
Does this handle punctuation correctly in Sentence case?
Yes. It capitalizes the first letter after each period, question mark, or exclamation point, in addition to the very start of the text.
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