Text Case Converter

Free online text case converter for uppercase, lowercase, title case, sentence case, and toggle case.

  • Runs locally in your browser
  • No data uploaded
  • Instant processing
Waiting for input

How to Use Text Case Converter

  1. Set the first line as mode (upper, lower, title, sentence, or toggle).
  2. Enter your text on the next lines.
  3. The converted case appears instantly in output.

Example Usage

Input

mode: title
hello WORLD from dev tools

Output

Hello World From Dev Tools

Frequently Asked Questions

Which case modes are supported?
upper, lower, title, sentence, and toggle.
Can I convert multi-line text?
Yes. The converter supports full multi-line content.
Is this text case converter free?
Yes. It is free and runs in your browser.