Change the case of any text in one click

Paste your text, pick a case, and the result appears instantly. Copy it, or download it as a file. Everything runs in your browser, so your text never leaves your device.

Your text

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Converted text Title Case

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File name File format

Every case, explained

UPPERCASE

Every letter in capitals. Good for headings, warnings and acronyms.

HELLO WORLD

lowercase

Every letter in small letters. Useful for cleaning up text copied from shouting emails.

hello world

Title Case

Major words start with a capital. Small words like of and the stay lowercase.

The Art of War

Sentence case

Only the first word of each sentence and the word I are capitalised.

Hello there. I am here.

camelCase

Words joined together, the usual style for variable names in code.

helloWorld

PascalCase

Every word starts with a capital, common for class and component names.

HelloWorld

snake_case

Lowercase words joined by underscores for Python, databases and file names.

hello_world

kebab-case

Lowercase words joined by hyphens for URLs, slugs and CSS.

hello-world

CONSTANT_CASE

Capitals joined by underscores for constants and environment variables.

HELLO_WORLD

tOGGLE cASE

Swaps every capital for a small letter and the other way round.

hELLO wORLD

aLtErNaTiNg

Every other letter is a capital. Popular for memes.

hElLo WoRlD

Questions

Is my text uploaded anywhere?

No. The conversion happens in your browser with JavaScript. Nothing you type or open is sent to a server.

How do I download the result?

Choose a file name and format next to the Download button, then click it. Your browser saves the converted text as a file. You can also open a text file into the box with the Open file link or by dragging it onto the page.

How does Title Case treat small words?

Words such as a, an, the, and, but, or, for, of, in, on and to stay lowercase unless they begin a sentence or end the text. Style guides differ, so check the result against the one you follow.

Are there keyboard shortcuts?

Press Ctrl or Cmd with Shift and C to copy the result, and Ctrl or Cmd with S to download it.