Letter Case Converter
Instantly convert text to Uppercase, Lowercase, Title Case, Sentence Case, and more.
Conversion Mode
Fast & Easy
Simply paste your text and click a button to transform it instantly.
Export Ready
Copy the result to your clipboard or download it as a text file.
Smart Casing
Advanced logic for Sentence Case handles punctuation intelligently.
Try These Examples
Title Case
Capitalize the first letter of every word.
UPPERCASE
Convert all letters to uppercase.
Sentence case
Capitalize the first letter of each sentence.
aLtErNaTiNg cAsE
Alternate between lower and upper case.
About Letter Case Converter
This Letter Case Converter is a handy tool that allows you to change the capitalization of your text with a single click. Whether you accidentally left Caps Lock on, need to format a title for your blog, or want to randomize text for fun, this tool has you covered.
Supported Case Modes
- Sentence case: Capitalizes the first letter of each sentence and leaves the rest lower case. Perfect for fixing text typed in all caps.
- lower case: Converts all letters to lower case.
- UPPER CASE: Converts all letters to upper case.
- Title Case: Capitalizes the first letter of every word (also known as Proper Case). Great for headlines and names.
- aLtErNaTiNg cAsE: Alternates between lower and upper case letters.
- InVeRsE CaSe: Flips the case of every letter (upper becomes lower, lower becomes upper).