Overview
What Is a Case Converter?
This tool converts text between uppercase, lowercase, title case, and sentence case instantly.
Convert text between different letter cases instantly.
This tool converts text between uppercase, lowercase, title case, and sentence case instantly.
Useful for formatting titles, fixing accidentally-capitalized text, or standardizing text case quickly.
Enter the text you want to convert.
Select uppercase, lowercase, title case, or sentence case.
The result updates automatically as you type or change format.
Title case capitalizes each major word; sentence case only capitalizes the first word of each sentence.
Typically small words (like 'the', 'a', 'and') are sometimes left lowercase in strict title case style guides, though this tool applies a straightforward capitalize-every-word approach.
No, all conversion happens locally in your browser - your text is never transmitted or stored.
Yes, there's no practical length limit for this tool.
Basic case conversion works for standard Latin alphabet text - some special characters or non-Latin scripts may behave differently.
Fixing accidentally-capitalized text, formatting headlines, or standardizing text pasted from different sources.
No, only letters are affected - numbers and symbols remain unchanged.
Yes, completely free with no sign-up required.
Simply select a different case option or re-paste your original text to start over.
Yes, paragraph structure and line breaks are preserved during case conversion.