Title Case vs Proper Case

Title case and proper case look similar at a glance, but they follow different rules. Knowing the distinction helps you format headlines, names, and UI labels consistently.

What is title case?

Title case capitalizes the first and last word of a title, plus all major words in between. Small words like “and”, “of”, or “the” may stay lowercase depending on the style guide.

Example: The Quick Brown Fox Jumps Over the Lazy Dog

What is proper case?

Proper case capitalizes the first letter of every word, regardless of its role in the sentence.

Example: The Quick Brown Fox Jumps Over The Lazy Dog

Key differences

Title case focuses on important words in a heading.
Proper case capitalizes every single word.
Title case is common in article titles, blog posts, and navigation labels.
Proper case is often used in names, display labels, or stylistic branding choices.

Convert between title case and proper case

Use Pro Case Converter

Paste your text into the left panel, select Title Case or Proper Case, and Pro Case Converter will update the output instantly as you type.

Open Pro Case Converter

Learn about other styles

These guides explain more formatting options: