Case Converter – Free Online Uppercase, Lowercase, Title Case & Sentence Case Tool
Convert text case instantly. Change text to uppercase, lowercase, title case, sentence case, alternating case, and more with this free online case converter for writing, editing, SEO, and everyday text formatting.
About this free Case Converter
This free online Case Converter helps you quickly change text formatting without editing it manually. You can convert text to uppercase, lowercase, title case, sentence case, capitalize words, or alternating case in seconds.
It is useful for writers, students, editors, marketers, developers, and anyone who works with text regularly. Instead of fixing capitalization by hand, you can paste your text and apply the format you need instantly.
What each case format does
- Uppercase: Converts every letter to capital letters.
- Lowercase: Converts every letter to small letters.
- Title Case: Capitalizes the first letter of each word.
- Sentence case: Capitalizes the first letter of each sentence.
- Capitalize Words: Capitalizes word initials while preserving more of the original structure.
- Alternating case: Switches letters between upper and lower case for stylistic use.
When to use a Case Converter
A case converter is useful when formatting headings, fixing copied text, editing article titles, cleaning up documents, preparing social media captions, or normalizing text for presentations and content publishing. It can save time whenever capitalization is inconsistent or needs quick adjustment.
How to use
Paste your text, choose the case format you want, and copy the result instantly.
Useful for
Great for headlines, content cleanup, social posts, documents, titles, and quick text formatting.
Fast & private
Your text stays in your browser. No uploads, no signup, and no unnecessary steps.
Case Converter FAQ
How do I convert text case online?
Paste your text into the input box, choose the case format you want, and the converted text appears immediately in the output area.
Can I convert text to uppercase and lowercase?
Yes. This tool supports uppercase, lowercase, title case, sentence case, capitalize words, and alternating case.
Is this tool useful for titles and headings?
Yes. It is helpful for headlines, article titles, page headings, captions, and many other text formatting tasks.
Is this Case Converter free?
Yes. The tool is completely free to use and does not require signup.