About this tool
About Case Converter
Use Case Converter online to change pasted text between uppercase, lowercase, title case and sentence case. Process it locally, then copy or download the result.
What Case Converter is for
Use this tool to change pasted text between uppercase, lowercase, title case and sentence case. It is designed for a focused task rather than a multi-step editor, so the input, options and result stay on one page.
How to use the tool
- Add or paste the supported input.
- Choose the available options and run the tool.
- Review the result, then copy or download it.
Privacy and practical limits
Supported processing runs locally in the browser. Large inputs can still be limited by the memory available on the device, and results should be checked before they are used in production.
Result checklist
- Confirm that the full input was processed.
- Review punctuation, whitespace, encoding or media quality as applicable.
- Keep the original until the output has been accepted by its destination.