15+ case types · UPPERCASE · lowercase · Title · camelCase · snake_case · Find & Replace · All-cases preview
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Case Converter — Convert Text to Any Case Format Online
SuccessMate's free case converter supports 15+ text transformation formats — from everyday UPPERCASE and lowercase to developer-specific formats like camelCase, PascalCase, snake_case, kebab-case, dot.case, CONSTANT_CASE and COBOL-CASE. Used daily by software developers in India, the USA, UK, Canada, Australia, Germany and UAE who need to quickly convert variable names, API field names and CSS class names between different naming conventions. Writers, students and content creators use it for title formatting, sentence correction and text transformation. No login, works instantly on all devices.
When Developers Need Case Conversion
REST APIs in different languages use different naming conventions — JavaScript and JSON typically use camelCase, Python uses snake_case, CSS uses kebab-case, database columns often use SNAKE_CASE or CONSTANT_CASE. When integrating APIs from different systems, developers in India's IT sector (Bengaluru, Hyderabad, Pune) and companies in the UK, Germany, Canada and Australia frequently need to bulk-convert field names. This tool handles entire blocks of text at once, saving hours of manual renaming.
Title Case and Sentence Case for Content Writers
Content writers, bloggers, journalists and students across India and the USA use title case for article headings, blog post titles, social media captions and academic papers. This tool implements proper title case — capitalising the first letter of every major word while keeping articles (a, an, the), prepositions and conjunctions in lowercase. Sentence case is used for most normal writing. The Find and Replace feature lets you fix recurring errors across entire documents without pasting into Word or Google Docs.
❓ Frequently Asked Questions
What is the difference between camelCase and PascalCase? ▾
camelCase: first word lowercase, subsequent words capitalised, no spaces — "helloWorld". Used for variables and functions in JavaScript, Java, Swift, Dart (Flutter). PascalCase (also called UpperCamelCase): every word capitalised — "HelloWorld". Used for class names in most languages, component names in React and Flutter widgets.
What is snake_case used for? ▾
snake_case uses lowercase words separated by underscores: "hello_world". It is the standard naming convention in Python (PEP 8 style guide) for variables and functions, Ruby, and most database column names. UPPER_SNAKE_CASE (also called CONSTANT_CASE or SCREAMING_SNAKE_CASE) is used for constants in Python, Java and most languages.
What is kebab-case used for? ▾
kebab-case uses lowercase words separated by hyphens: "hello-world". It is the standard for CSS class names (.my-button), HTML attributes (data-user-id), URL slugs (successmate.in/case-converter), and file names in web projects. It cannot be used as variable names in most programming languages because the hyphen is interpreted as a minus operator.
What is proper Title Case? ▾
Proper Title Case capitalises the first letter of "major" words while keeping minor words (a, an, the, and, but, or, for, nor, as, at, by, in, of, on, to, up, yet, so) in lowercase — unless they start the title. Example: "The Quick Brown Fox Jumps Over a Lazy Dog". This tool uses the Chicago Manual of Style rules commonly followed in USA, UK, Canada and Australia for publications.
What is dot.case used for? ▾
dot.case uses dots to separate words: "hello.world". It is used in package names (com.successmate.app), Java package identifiers, some configuration file keys, and object property access in certain languages. Less common than snake_case and kebab-case but frequently seen in Java and Android development, which is common in India's Android app development ecosystem.