Case Converter
UPPER, lower, Title, Sentence case
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Converted text—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- Title Case — "hello world from quantum tools" → Hello World From Quantum Tools
- Sentence case — "hello world. this is a test." → Hello world. This is a test.
Formula
UPPERCASE maps every character to upper case. lowercase maps every character to lower case. Title Case capitalises the first letter of each word. Sentence case lowercases everything first, then capitalises the first letter of the text and the first letter after every . ! ? followed by a space.
About Case Converter
UPPER, lower, Title, Sentence case. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is the Case Converter free to use? +
Yes, it is completely free with no registration or download required.
Is my text data private? +
Yes. All text processing happens locally in your browser. Your content is never uploaded or stored on our servers.
Does the Case Converter work on mobile? +
Yes, it works on any device with instant, in-browser results.