Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case and aLtErNaTiNg case. Everything happens live in your browser — nothing is uploaded.

Runs in your browser — your text is never uploaded or stored.

Input

Output

HELLO WORLD. THIS IS A DEMO OF THE CASE CONVERTER.

FAQ

Is my text uploaded anywhere?

No. All conversions run in your browser using JavaScript. Nothing is sent to a server.

What is Sentence case?

Sentence case capitalizes the first letter of each sentence and lowercases the rest, matching normal prose style.

Can I convert huge blocks of text?

Yes — the tool handles thousands of lines instantly because it runs locally on your device.

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