About Case Converter

Case Converter is a free online tool that lets you instantly transform text between different letter cases and naming conventions. Whether you need to convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, or CONSTANT_CASE — it's all just one click away.

Everything runs entirely in your browser. No text is ever sent to a server, no signup is required, and it works offline once loaded. It's fast, private, and always free.

Who is it for?

• Writers and editors who need to fix text formatting quickly
• Developers converting between naming conventions (camelCase, snake_case, etc.)
• Students formatting titles and headings
• Anyone who needs to change text case without opening a word processor

Supported Case Types

• UPPERCASE — Convert all letters to capital letters
• lowercase — Convert all letters to small letters
• Title Case — Capitalize the first letter of each word
• Sentence case — Capitalize only the first letter of each sentence
• camelCase — First word lowercase, subsequent words capitalized, no spaces
• PascalCase — Each word capitalized, no spaces
• snake_case — Words separated by underscores, all lowercase
• kebab-case — Words separated by hyphens, all lowercase
• CONSTANT_CASE — All caps with underscores
• aLtErNaTiNg — Alternating uppercase and lowercase letters