Text Tool

Case Converter
UPPERCASE, Title Case & More

Convert text between 8 case styles instantly in your browser. No signup, no upload, works entirely on your device.

What is a case converter? A case converter changes the capitalization of text, uppercase, lowercase, Title Case, Sentence case, aLtErNaTiNg case, camelCase, and snake_case, without changing the letters themselves. It runs entirely in your browser, so nothing you type is sent to a server.

Result

When to Use Each Case Style

Title Case is for headlines, article titles, and video titles, it capitalizes the main words while keeping short connector words lowercase. Sentence case is for normal writing: captions, bios, and body text, where only the first word and proper nouns get capitalized.

aLtErNaTiNg case and inverse case are stylistic choices popular in usernames and meme text rather than formal writing. camelCase and snake_case come from programming conventions but work well for usernames and hashtags on platforms that do not allow spaces.

Case Conversion and Fancy Fonts

Case conversion only works on standard letters. If you want to apply a bold, cursive, or gothic Unicode style on top of your text, convert the case first here, then paste the result into the Font Generator to style it.

Case Converter FAQ

Title Case capitalizes the first letter of most words (commonly skipping short words like a, the, and, of), the way book and article titles are styled. Sentence case capitalizes only the first letter of the sentence and any proper nouns, the way normal prose is written. Title case is for headlines, sentence case is for body text.
It changes the actual characters. Uppercase A and lowercase a are different Unicode code points, not the same character displayed differently, so converting case produces genuinely different text, not a visual style applied on top of the original.
camelCase and snake_case are mainly used in code (variable names, file names, URLs), but some people also use them stylistically in usernames or hashtags to remove spaces while keeping words readable, since most platforms do not allow spaces in usernames or hashtags.
No. Case conversion works on standard Latin letters (A-Z, a-z). Fancy Unicode font characters, like bold or cursive styles from a font generator, are separate Unicode code points that do not have defined uppercase or lowercase mappings, so case conversion will not affect them. Convert case first, then apply fancy styling.