Case Converter
Convert text to UPPER CASE, lower case, Title Case, Sentence case, camelCase, snake_case, and kebab-case instantly. Free, no signup.
What is Case Converter?
The Case Converter transforms any text into your chosen capitalization format in one click. Paste your text and select the target case — UPPER, lower, Title, Sentence, camelCase, snake_case, or kebab-case — and the conversion is instant.
Useful for developers formatting variable names, writers editing headlines, or anyone needing to quickly standardize text casing without manually retyping everything.
All processing happens in your browser — your text is never sent to a server.
How to use
Frequently asked questions
Title Case capitalizes the first letter of each word: 'hello world' → 'Hello World'.
Sentence case capitalizes only the first word: 'hello world' → 'Hello world'.
camelCase removes spaces and capitalizes each word except the first: 'hello world' → 'helloWorld'. Used in JavaScript variable names.
snake_case replaces spaces with underscores and lowercases everything: 'hello world' → 'hello_world'. Common in Python and database fields.
kebab-case replaces spaces with hyphens and lowercases everything: 'hello world' → 'hello-world'. Used in URLs and CSS class names.