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Case Converter

Convert text between different cases — uppercase, lowercase, title case, and more.

All text is processed in your browser. Nothing is uploaded to any server.

Case Converter — Change Text Case Online

Convert text between uppercase, lowercase, title case, sentence case, and programming formats.

Quick answer: Case Converter

Case Converter changes capitalization without retyping. Paste a heading or paragraph, choose uppercase, lowercase, title case, or another available style, then copy the result.

Input
Text plus a target capitalization style.
Output
Text with converted capitalization.
Know before use
Automatic title case may not follow every language, publication, or brand style guide; review proper nouns, acronyms, and special terms.
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  • ✓100% free, no sign-up required
  • ✓Runs entirely in your browser — no file upload to server
  • ✓Fast processing with instant results
  • ✓Works on desktop and mobile
  • ✓Privacy-first: your data never leaves your device

How to Use

  1. 1
    Prepare the input

    Text plus a target capitalization style.

  2. 2
    Configure and process

    Case Converter changes capitalization without retyping. Paste a heading or paragraph, choose uppercase, lowercase, title case, or another available style, then copy the result.

  3. 3
    Review the result

    Text with converted capitalization.

What do I need to use Case Converter?

Text plus a target capitalization style.

What does Case Converter produce?

Text with converted capitalization.

What are the limitations of Case Converter?

Automatic title case may not follow every language, publication, or brand style guide; review proper nouns, acronyms, and special terms.