Case Converter

How to Use the Case Converter

1. Paste or type your text — Enter any text in the input area. Multi-line text and special characters are supported.
2. Click a conversion button — Choose from 12 case styles: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, Alternating cAsE, or Inverse Case.
3. Review the output — The converted text appears instantly in the output area with a character count.
4. Copy, swap, or clear — Use "Copy Output" to copy the result, "Swap" to move output back to input for chaining conversions, or "Clear" to start over.

Features

• 12 case conversion formats including programmer-oriented styles
• Title Case with intelligent small-word handling (a, an, the, in, on, at, to, for, of, and, or, but, is, are, was, were)
• Multi-line text support — convert entire paragraphs or lists at once
• Active conversion indicator shows which format is currently applied
• Swap button lets you chain multiple conversions sequentially
• Character counts for both input and output textareas
• One-click copy to clipboard with visual feedback
• Hover tooltips show example output for each conversion type
• 100% client-side processing — your text never leaves your browser
• Responsive design that works on desktop, tablet, and mobile

Understanding Text Case Formats

Common Use Cases

Text Formatting Tips

• Use Word Counter to check the word and character count of your text after converting cases, since case changes do not affect word count but are useful before finalizing content.
• Find and replace specific words or phrases before converting case with Text Replacer — fix typos and inconsistencies first, then apply your desired case format.
• Generate placeholder text for testing layouts with Lorem Ipsum Generator, then use the Case Converter to format it as camelCase variable names or UPPERCASE headings.
• If you have repeated lines after pasting data, use Remove Duplicate Lines tool to clean up the text before running case conversions on it.
• Chain multiple conversions using the Swap button — for example, convert to UPPERCASE first, then swap and convert to camelCase to see how different formats look on the same text.
• When converting existing code to snake_case or camelCase, paste the entire code block at once — the converter handles multi-line input and preserves line breaks.
• For SEO URLs, convert your page title to lowercase first, then use kebab-case to create a clean, hyphenated slug with no special characters.
• Use the Copy Output button to quickly grab the converted text and paste it directly into your code editor, email, or document without manual retyping.