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Text case converter

Paste text. Click any case to copy.

About this tool

Convert text between common letter cases - UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more.

Features

  • UPPER, lower, Title, Sentence
  • camelCase, snake_case, kebab-case, CONSTANT_CASE
  • Toggle case
  • Live preview

How to use it

  1. Paste text.
  2. Click the case you want.
  3. Copy the result.
🔒 100% private

Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.

Frequently asked questions

Does it handle non-English letters?

Yes - Unicode-aware uppercase/lowercase rules are applied.