Key Features of the Tool:

1. Text Input: Users can enter any text into a textarea.

2. Case Conversion: The tool offers four case conversion options:

   • Uppercase: Converts text to all uppercase.

   • Lowercase: Converts text to all lowercase.

   • Title Case: Capitalizes the first letter of each word.

   • Sentence Case: Capitalizes the first letter of the first word of each sentence.

3. Colorful and Responsive UI: The layout adjusts for different screen sizes (mobile, tablet, desktop) with colorful buttons and a clean design.

4. Output: The converted text is shown in a box below the buttons.