100% free · No sign-up · Private

Case converter

Switch text between upper, lower, title, sentence, camel, snake and kebab case in one click.

Loading tool…
  • Files never leave your device
  • Instant, no waiting queue
  • No watermark, no limits

How to use the Case Converter tool

  1. 1

    Paste your text.

  2. 2

    Click the case you want.

  3. 3

    Copy the result.

Change text case online in one click

The case converter switches text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case. Fix text accidentally typed with Caps Lock, format headings and convert variable names for code.

When to use each case

  • Title Case – headings and blog titles.
  • Sentence case – normal paragraphs and UI text.
  • camelCase / snake_case – programming variables.
  • kebab-case – URLs and CSS classes; try the URL slug generator.

Frequently asked questions

Is this tool free?

Yes, it is 100% free with no sign-up, no watermark and no daily limit.

Are my files uploaded to your server?

No. The tool runs entirely in your browser using JavaScript. Your files never leave your device, so the tool is private and works even on slow connections.

How do I convert uppercase text to lowercase?

Paste the text and click lowercase – then copy the result.

What is Title Case?

Title Case capitalises the first letter of each main word, as in headings.

Is the case converter free?

Yes, free and instant with no sign-up.

Does it work with long text?

Yes, you can paste long articles and convert them in one click.