Case Converter

Convert text to any case format instantly — uppercase, lowercase, title case, camelCase, and more.

Words: 0 Characters: 0 Sentences: 0
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What Is a Case Converter?

A case converter is an online tool that transforms text between different letter case formats. Whether you accidentally typed an entire paragraph with Caps Lock on, need to format a heading in title case, or need to convert variable names between camelCase and snake_case for code, this tool handles it instantly. Paste your text, click a button, and copy the converted result.

Available Case Formats

Sentence case capitalises the first letter of each sentence and lowercases everything else, following standard English writing rules. lowercase converts every letter to small letters. UPPERCASE converts every letter to capitals. Title Case capitalises the first letter of every word — useful for headings, article titles, and proper formatting.

camelCase joins words with no separator, lowercase first word, uppercase for subsequent words — widely used in JavaScript, Java, and TypeScript. PascalCase is similar but capitalises the first word too — used for class names in most programming languages. snake_case joins words with underscores, all lowercase — common in Python, Ruby, and database column names. kebab-case joins words with hyphens — used for CSS class names, URL slugs, and file names.

Common Use Cases

Writers and editors use case converters to fix capitalisation errors, format article titles, and ensure consistent heading styles across documents. Developers convert between programming naming conventions — for example, converting a database column name like user_first_name to a JavaScript variable userFirstName. SEO specialists use title case for meta titles and sentence case for descriptions. Students clean up notes that were accidentally typed in all caps.

Frequently Asked Questions

Paste or type your text into the input box above and click the "UPPERCASE" button. All letters will be converted to capital letters instantly. You can then copy the result with one click.
Title case capitalises the first letter of every word while keeping the rest lowercase. For example, "the quick brown fox" becomes "The Quick Brown Fox". It is commonly used for headings, titles, and proper nouns.
camelCase is a naming convention used in programming where the first word is lowercase and each subsequent word starts with an uppercase letter, with no spaces or underscores. For example, "user first name" becomes "userFirstName". It is widely used in JavaScript, Java, and TypeScript for variable and function names.
Sentence case capitalises only the first letter of the first word in each sentence, just like normal written English. Title case capitalises the first letter of every word. For example, sentence case: "The quick brown fox". Title case: "The Quick Brown Fox".

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