Case Converter

1️⃣ Toggle Case

Toggle Case converts each letter to the opposite case:

Uppercase letters become lowercase

Lowercase letters become uppercase

Example:
Input: tOGGLE cASE
Output: Toggle Case

This option is useful when text is accidentally typed with Caps Lock enabled or when incorrect capitalization needs quick correction.

2️⃣ Sentence Case

Sentence Case formats text so that the first letter of each sentence is capitalized, while the rest remain lowercase.

Example:
Input: this is a case converter tool. it is very useful.
Output: This is a case converter tool. It is very useful.

Sentence case is ideal for articles, blogs, emails, academic writing, and professional documents.

3️⃣ Lowercase

The lowercase option converts all letters in the text into small letters.

Example:
Input: LOWER CASE TEXT
Output: lower case text

Lowercase text is commonly used in programming, URLs, usernames, databases, and technical writing.

4️⃣ Uppercase

The UPPERCASE option converts all letters into capital letters.

Example:
Input: uppercase text
Output: UPPERCASE TEXT

Uppercase formatting is often used for headings, warnings, notices, labels, and official documents where emphasis is required.

5️⃣ Capitalize Words

Capitalize Words converts the first letter of every word into uppercase.

Example:
Input: capitalize word example
Output: Capitalize Word Example

This format is perfect for titles, headings, names, blog post titles, and menu labels.