Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case instantly.

How to use the Case Converter

  1. Paste or type your text in the left panel.
  2. Click any case button – the converted text appears on the right instantly.
  3. Use Copy to copy the result, Swap to move the output back to input.

Case formats explained

  • UPPER CASE – all letters capitalised (e.g. HELLO WORLD).
  • lower case – all letters in lowercase (e.g. hello world).
  • Title Case – first letter of each word capitalised (e.g. Hello World).
  • Sentence case – first letter of each sentence capitalised.
  • camelCase – no spaces, each word starts uppercase except the first (e.g. helloWorld).
  • PascalCase – like camelCase but the first word is also capitalised (e.g. HelloWorld).
  • snake_case – words joined with underscores, all lowercase (e.g. hello_world).
  • kebab-case – words joined with hyphens, all lowercase (e.g. hello-world).
  • CONSTANT_CASE – snake_case in uppercase (e.g. HELLO_WORLD).