Case Converter

Convert text between different cases.

Try it with this example

Type "hello world" and try UPPERCASE, camelCase, or Title Case to see different outputs.

What is this tool?

Text case matters. Code uses camelCase, headings use Title Case, constants use UPPER_SNAKE. Converting between styles manually is tedious and error-prone. This Case Converter handles uppercase, lowercase, title case, sentence case, and camelCase. Paste your text, choose the target style, and get the result. All processing runs in your browser. No data leaves your device.

Use it when normalizing user input, converting headings for consistency, or switching between naming conventions. Copy a heading from a document and convert to sentence case. Paste a variable name and convert to camelCase for JavaScript. Batch-convert a list of labels. The tool handles each conversion with simple rules: uppercase and lowercase are straightforward; title case capitalizes major words; sentence case capitalizes only the first letter of each sentence; camelCase removes spaces and capitalizes each word except the first.

Developers use it for refactoring—when moving code between languages or style guides. Copy a string, convert, paste back. No regex, no manual editing. For long lists, paste the whole block and convert in one go. The tool doesn't understand context (e.g. acronyms in title case), so review output for edge cases. For most text, it's accurate enough to save time.

Writers and editors use it for headlines and subheads. "THIS HEADLINE IN ALL CAPS" becomes "This Headline in All Caps" or "This headline in all caps" depending on the target style. SEO titles and meta descriptions often need specific casing. The tool is fast and simple. No account, no limits. Bookmark it for quick conversions.