Toolkit

Your text stays in your browser. Nothing is uploaded.

Case Converter

Convert text into uppercase, lowercase, title case, sentence case, alternating case, camelCase, snake_case, and kebab-case instantly.

Your text stays in your browser. Nothing is uploaded.

Convert text case instantly

UPPERCASE

Convert every supported letter to capitals.

Your converted text will appear here.

lowercase

Convert every supported letter to lowercase.

Your converted text will appear here.

Title Case

Capitalize the first letter of each word.

Your converted text will appear here.

Sentence case

Capitalize sentence starts and lowercase the rest.

Your converted text will appear here.

aLtErNaTiNg cAsE

Alternate lowercase and uppercase letters.

Your converted text will appear here.

camelCase

Remove spaces and capitalize each word after the first.

Your converted text will appear here.

snake_case

Join lowercase words with underscores.

Your converted text will appear here.

kebab-case

Join lowercase words with hyphens.

Your converted text will appear here.

Fast case conversion for writing and reuse

Use this case converter when you need to clean up a headline, rewrite a social caption, prepare a file name, format a slug, or turn rough text into a reusable naming style.

The tool runs entirely in your browser. Your draft is converted locally as you type, with no account, no upload, and no waiting for a server response.

How to use this tool

  1. Paste your text

    Add the headline, caption, title, label, or draft you want to convert.

  2. Review each case style

    Compare uppercase, lowercase, title case, sentence case, alternating case, camelCase, snake_case, and kebab-case live.

  3. Copy the format you need

    Use the copy button next to the converted result and paste it into your document, post, code, or profile.

FAQ

Does this case converter upload my text?

No. All case conversions happen locally in your browser, and your text is not uploaded.

Which case styles are supported?

The tool supports uppercase, lowercase, title case, sentence case, alternating case, camelCase, snake_case, and kebab-case.

Can I use this for social media captions?

Yes. You can convert captions, bios, names, titles, and short posts, then copy the result into the app you are using.

Does it work for code-style names?

Yes. camelCase, snake_case, and kebab-case are included for filenames, CSS classes, variables, slugs, and labels.