Letter Case Conversion Tool

About case conversion:

• All uppercase: Convert all letters to uppercase, e.g., "HELLO WORLD"
• All lowercase: Convert all letters to lowercase, e.g., "hello world"
• Capitalize first letter: Capitalize the first letter of each word, lowercase the rest, e.g., "Hello World"
• Capitalize sentence start: Capitalize the first letter of each sentence, lowercase the rest, e.g., "Hello world. How are you?"
• Camel case: First word lowercase, subsequent words capitalized, no separators, e.g., "helloWorld"
• Pascal case: All words capitalized, no separators, e.g., "HelloWorld"
• Snake Case: All lowercase, words separated by underscores, e.g., "hello_world"
• Kebab Case: All lowercase, words separated by hyphens, e.g., "hello-world"
• Toggle Case: Uppercase letters become lowercase, lowercase letters become uppercase, e.g., "hELLO wORLD"