Case Converter

Switch text case: uppercase, lowercase, title case, and more.

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What is Online Case Converter?

Case Converter is a simple yet powerful tool that transforms the capitalization of your text. Whether you need to fix a document written accidentally in ALL CAPS, convert a list to lowercase, or format a title correctly, this tool provides instant results without manual editing.

It supports multiple conversion modes including sentence case, lowercase, uppercase, capitalized case (Title Case), and even alternating or inverse cases. All processing happens entirely in your browser, keeping your text private and secure.

How to use Online Case Converter?

  1. Paste the text you want to transform into the main input area.
  2. Select your desired conversion mode (e.g., UPPERCASE, sentence case) from the available buttons.
  3. Copy the transformed text to your clipboard or download it as a text file.