Letter Case Converter

Instantly convert text to Uppercase, Lowercase, Title Case, Sentence Case, and more.

0 Lines | 0 Chars

Conversion Mode

0 Lines | 0 Chars

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.

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UPPERCASE

Convert all letters to uppercase.

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Sentence case

Capitalize the first letter of each sentence.

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aLtErNaTiNg cAsE

Alternate between lower and upper case.

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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).