Change Letter Case

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

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Conversion Mode

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Ultra Fast

Changes apply quickly. Optimized for performance.

Secure

Secure processing. We prioritize your data privacy.

File Ready

Easily process large text files via drag-and-drop or file selector.

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 Change Letter Case

This Change Letter Case tool is a powerful utility designed to transform text capitalization instantly. Whether you're fixing accidental Caps Lock usage, formatting titles for articles, or converting code variable styles, this tool makes it effortless.

Supported Case Modes

  • Sentence case: Capitalizes the first letter of each sentence. Ideal for correcting text typed in all caps.
  • lower case: Converts every letter to lowercase.
  • UPPER CASE: Converts every letter to uppercase.
  • Title Case: Capitalizes the first letter of every word. Perfect for headers and titles.
  • aLtErNaTiNg cAsE: Switches between lowercase and uppercase letters.
  • InVeRsE CaSe: Reverses the case of each letter.
  • Camel/Pascal/Snake/Kebab Case: Converts text to various coding naming conventions.