🔠 Text Case Converter
Switch text between sentence, title, upper and lower case.
How to use this utility
Enter your own content in the field above. The result is generated directly in your browser without creating an account. Check the output before using it in a published document or production workflow.
How your input is processed
Your input is processed in the open page without being uploaded to an AI service. The prompt builder prepares editable text for a separate assistant; it does not call an AI model. Keep a separate copy of work you want to save.
Helpful tip
For important work, keep a copy of your original input and check formatting after pasting the result into another application.
Choose the transformation deliberately
Uppercase and lowercase change letter case throughout the input. Title Case starts letters after whitespace and punctuation in uppercase; it does not apply a particular publisher’s style guide. Sentence case lowercases the text and capitalizes a letter at the beginning or after sentence punctuation followed by whitespace.
Example and common limitations
For hELLO. wORLD, Sentence case produces Hello. World. Proper names, acronyms, product names, and language-specific casing may still need manual correction. Do not run a finalized legal name or code sample through a case transformation without reviewing the result.
Changing the input clears the old result so that an outdated conversion is not mistaken for the latest text. Choose a conversion again, review it, and then use Copy result. Clear removes the fields in the open page.