Case Converter
How to Convert Text Case Online
Paste or type the text you want to convert into the text area above.
Click one of the conversion buttons: UPPER CASE, lower case, Title Case, Sentence case, or other available options.
Your text is instantly converted. Click Copy to copy the result to your clipboard, ready to paste anywhere.
What Is a Case Converter?
A case converter is a text transformation tool that changes the capitalization of your text between different styles. Instead of manually retyping text, you can instantly switch between UPPER CASE (all capitals), lower case (no capitals), Title Case (first letter of each word capitalized), Sentence case (first letter of each sentence capitalized), and other variations. This is particularly useful when you accidentally type with Caps Lock on, need to format headings consistently, or want to standardize text from different sources.
Common Use Cases
Content creators use case converters to format headlines and titles consistently across articles and social media posts. Developers use them to convert variable names between camelCase, snake_case, and other programming conventions. Data analysts standardize inconsistent text data imported from spreadsheets or databases. Email marketers format subject lines in Title Case for better open rates. Legal professionals convert all-caps contract text into readable mixed case.
Frequently Asked Questions
What case styles are supported?
Our converter supports UPPER CASE, lower case, Title Case, Sentence case, and more. Each transformation is applied instantly as you click the corresponding button.
Does Title Case capitalize every word?
Title Case capitalizes the first letter of each word. Note that in formal title case (like AP or Chicago style), small words like "the", "in", "of" are typically not capitalized — our tool capitalizes all words for simplicity.
Can I convert text from a Word document?
Yes, simply copy the text from your Word document, paste it into the text area, convert it, and paste it back.
Is there a character limit?
There is no enforced limit. The tool runs in your browser, so it can handle large amounts of text limited only by your device's memory.