Online Text Case Converter

A Case Converter is a free online tool that transforms the capitalization and casing of words, sentences, and blocks of text automatically. With a single click, you can convert text into UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and many other formats without having to retype everything manually.

Yes, Microsoft Word includes a built-in "Change Case" feature. You can access it by highlighting your text and clicking the "Aa" button on the Home tab in the Font group, or by pressing the keyboard shortcut Shift + F3. However, an online case convertor provides far more options, including developer formats like camelCase, snake_case, and kebab-case with zero software installation.

A text converter modifies, reformats, and sanitizes digital text strings. In addition to altering letter casing (such as converting uppercase to lowercase or applying title casing), modern text converters can strip extra spaces, remove unwanted line breaks, reverse text, calculate real-time word and character statistics, and generate clean slugs for web development.

The terms "uppercase" and "lowercase" originate from traditional mechanical letterpress printing. Early typesetters organized cast-metal type pieces into two separate wooden compartment drawers or "cases." Capital letters were stored in the top or "upper case" drawer, while smaller, more frequently used letters were kept in the bottom or "lower case" drawer for quick and convenient reach.

Uppercase refers to capital letters (also known in typography as majuscules). In the Latin alphabet, uppercase letters are larger and shaped differently than their lowercase counterparts (e.g., A, B, C versus a, b, c). Uppercase letters are utilized at the beginning of sentences, for proper nouns, acronyms, and for headlines or emphasis.

Uppercase letters are the larger capital letters (A, B, C, D, E...), while lowercase letters are the smaller versions (a, b, c, d, e...). For example, in the word "California", the initial letter "C" is uppercase and the subsequent letters "alifornia" are lowercase.

Uppercase A to Z represents all 26 capital letters of the modern English alphabet: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z. They are used for initials, titles, abbreviations, acronyms, and for adding emphasis in typography.

Lowercase refers to the smaller, standard letterforms used in everyday writing and printing (a, b, c, d, e, f...). Lowercase letters comprise the vast majority of body text in books, news articles, and websites because their varied heights and ascenders make them significantly easier for the human brain to read continuously.

Yes, 100%. All conversions and statistics calculations take place directly in your web browser using client-side JavaScript. Your text is never transmitted across the network, stored in databases, or logged on any server.

Simply paste your capitalized text into the input box and click the "lower case" button. Your converted text appears immediately in the output field, ready to copy to your clipboard or download as a .txt file.

Title Case capitalizes principal words while keeping minor articles and conjunctions (like "a", "an", "the", "in", "of") lowercase unless they begin a title. Capitalized Case capitalizes the first letter of every single word unconditionally.