What's the difference between Title Case and Title Case (smart)?

Title Case capitalises the first letter of every word. Smart keeps short words such as a, an, the, and, of, in and to lowercase — except at the start, the end or after a colon — which is how headlines are usually written.

How does Sentence case work?

It lowercases everything, then capitalises the first letter of each sentence and the word I on its own. Names and acronyms in the middle of a sentence are lowercased too, so you may want to fix those by hand.

How do camelCase, snake_case and the others split my words?

Words are split at spaces, punctuation, underscores, hyphens and at lower-to-upper changes, so helloWorld, hello_world and Hello World all give the same words. Acronyms are handled too: XMLHttpRequest becomes xml-http-request. Multi-line text is converted one line at a time.

Does it work with accented and non-English letters?

Yes, it uses your browser's Unicode case rules — for example ß becomes SS in uppercase. Scripts without upper and lower case, like Chinese or Arabic, are left unchanged.

Utility

Text Case Converter

Switch text between UPPERCASE, lowercase, Title Case, Sentence case and code styles like camelCase and snake_case. Done instantly in your browser.

Your text

Convert to

Result

How it works

1
Type or paste your text.
2
Choose a style — UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more.
3
Copy the result, or press 'Use as input' to convert it again.

Text Case Converter — frequently asked questions

What's the difference between Title Case and Title Case (smart)?: Title Case capitalises the first letter of every word. Smart keeps short words such as a, an, the, and, of, in and to lowercase — except at the start, the end or after a colon — which is how headlines are usually written.
How does Sentence case work?: It lowercases everything, then capitalises the first letter of each sentence and the word I on its own. Names and acronyms in the middle of a sentence are lowercased too, so you may want to fix those by hand.
How do camelCase, snake_case and the others split my words?: Words are split at spaces, punctuation, underscores, hyphens and at lower-to-upper changes, so helloWorld, hello_world and Hello World all give the same words. Acronyms are handled too: XMLHttpRequest becomes xml-http-request. Multi-line text is converted one line at a time.
Does it work with accented and non-English letters?: Yes, it uses your browser's Unicode case rules — for example ß becomes SS in uppercase. Scripts without upper and lower case, like Chinese or Arabic, are left unchanged.