Tip: conversions do not overwrite your original input — use Output to copy or edit further.
Frequently Asked Questions
What is a case converter tool?
A case converter changes the capitalization style of text — convert between uppercase, lowercase, title case, sentence case, etc., instantly.
Is this tool free to use?
Yes. The tool runs entirely in your browser and doesn't require sign-up or any external services.
Does converting change my original text?
No — your original input stays in the top box. Results appear in the Output box so you can compare and copy safely.
Will this work on mobile?
Yes. The UI is responsive and works on mobile browsers too.