Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case, PascalCase, and more. Live preview, copy, history — entirely client-side. This free online case converter runs entirely in your browser — no data is ever uploaded to a server. How to Use 1. Enter your input — type or paste your text to convert. 2. See live results — the tool updates instantly as you type. 3. Copy or download — copy the output to clipboard or download it. 4. History — your recent inputs are saved locally and can be pinned for quick access. Example Enter "hello world example" — click Title Case to get "Hello World Example", click camelCase for "helloWorldExample", click snake_case for "hello_world_example". Copy any result.