Case Converter
Paste text and convert it to UPPERCASE, lowercase, Title Case, Sentence case, or camelCase in one click.
When each case style is used
Title Case capitalizes the first letter of most words and is standard for headlines and book titles. Sentence case capitalizes only the first word of each sentence, matching normal prose. camelCase — no spaces, each word after the first capitalized — is the naming convention for variables in JavaScript and many other programming languages, while UPPERCASE is common for constants, acronyms, and emphasis.
Common uses
- Fixing text that was typed with caps lock stuck on
- Converting a spreadsheet heading into a valid variable name
- Matching a style guide's heading capitalization rules
Frequently asked questions
What's the difference between Title Case and Sentence case?
Title Case capitalizes the first letter of most words (used for headlines and titles), while Sentence case only capitalizes the first word of each sentence, matching normal paragraph writing.
How do I convert text to camelCase for coding?
Paste your text and click camelCase — it removes spaces and punctuation, capitalizes the first letter of each word after the first, and lowercases the very first letter, producing a valid JavaScript-style variable name like helloWorldExample.
Does Title Case here follow proper capitalization rules for small words?
This tool capitalizes the first letter of every word for simplicity. Formal style guides (like AP or Chicago) lowercase certain short words such as "a," "the," or "and" unless they start the title — for strict style-guide compliance, you may want to manually adjust those small words after converting.
Can I undo caps lock text without retyping it?
Yes — paste the text with stuck caps lock into the box and click lowercase, then Sentence case or Title Case depending on how you want it capitalized, without retyping anything.