🔡 Case Converter — Change Text Case Instantly

Convert your text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and 6 more formats with a single click. 100% free & instant!

⚡ Quick Case Select — Click to Convert

🔡 Case Converter Tool

Paste your text, choose a case format, and copy the result instantly!

Step 1 — Enter Your Text 0 words · 0 chars

Step 2 — Choose a Case Format

Step 3 — Copy Your Converted Text UPPERCASE selected

Your converted text will appear here…

All Case Conversions — One Click Copy

See your text converted into all 12 formats at once. Click any card to copy!

Enter some text above to see all 12 conversions here…

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How to Use the Case Converter

Type or Paste Your Text

Enter any text in the input box — a sentence, paragraph, code snippet, or anything you need to convert. Use the Paste button or click "Try Sample" to test with an example.

Select a Case Format

Click any of the 12 case format buttons. Conversion happens instantly as you click! You can also use the Quick Case tabs in the hero section above.

Copy the Result

Click "Copy to Clipboard" to copy your converted text in one click. You can also download it as a .txt file, or use "Use as Input" to chain multiple conversions.

See All Formats at Once

Scroll to the "All Case Conversions" section to see your text in all 12 formats simultaneously — each card has its own copy button.

Frequently Asked Questions

Everything you need to know about our Case Converter tool.

What is a Case Converter and what does it do?

A Case Converter is a free online tool that instantly changes the letter case of any text. Convert to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and more — no software needed, works directly in your browser.

What is the difference between camelCase and PascalCase?

camelCase starts with a lowercase letter: helloWorldExample. PascalCase capitalizes every word including the first: HelloWorldExample. camelCase is common in JavaScript variables; PascalCase is used for class names and React components.

When should I use snake_case vs kebab-case?

Use snake_case (hello_world) for Python variables, database columns, and file names. Use kebab-case (hello-world) for URLs, CSS class names, and HTML attributes. Both use lowercase with separators instead of spaces.

What is Title Case vs Sentence case?

Title Case capitalizes every word: Hello World This Is An Example — for headings and titles. Sentence case only capitalizes the first letter: Hello world this is an example — for regular writing.

Is this Case Converter tool free?

Yes! 100% free with no sign-up, no login, and no limits. Convert unlimited text anytime. Everything runs in your browser — your text is never sent to any server, keeping it completely private.

Can I see all case formats at the same time?

Yes! Scroll to the "All Case Conversions" section after entering your text. All 12 formats are shown simultaneously — each with their own copy button so you can grab any format instantly.