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Case Converter
Convert text to upper, lower, title, or sentence case.
100% browser-onlyTool Workspace
Privacy Notice：Your files are processed locally. They are never uploaded.
How it works
- Paste the text you want to transform.
- Choose a case mode and run the conversion.
- Copy the converted result into your next workflow.
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FAQ
Will line breaks stay intact?
Yes. The tool changes casing only and keeps line breaks in place.
Is it safe for source code?
It is best for plain text. Review code carefully because casing can change meaning.