AP Style capitalizes major words in title case, while sentence case capitalizes only the first word and proper nouns. Sentence case is more common in British English and digital products.
AP Style title case capitalizes all major words while lowercasing articles, coordinating conjunctions, and all prepositions regardless of length. It is the standard of the Associated Press Stylebook.
AP Style is required by most American newspapers, digital news outlets, and press releases. Public relations professionals follow it because journalists expect it.
Open AP Style converterSentence case capitalizes only the first word of a title or heading and any proper nouns, treating the text exactly like a sentence. It is the dominant style in British English and digital product interfaces.
Sentence case is the standard for user interfaces, navigation menus, software documentation, and most British publications. Many technology companies mandate it for product copy.
Open Sentence Case converterAP Style is required by most American newspapers, digital news outlets, and press releases. Public relations professionals follow it because journalists expect it.
All prepositions are lowercased, whether short or long. This is the key rule that distinguishes AP Style from Chicago Style.
Sentence case is the standard for user interfaces, navigation menus, software documentation, and most British publications. Many technology companies mandate it for product copy.
All words after the first are lowercase unless they are proper nouns. Common nouns, verbs, and adjectives are not capitalized.
Choose AP Style for American journalism, press releases, and publications following the Associated Press Stylebook.
Choose sentence case for software interfaces, British publications, and digital content where a conversational register is preferred.
Many global digital products use sentence case because it feels natural across languages and cultures. AP Style is specific to American journalism and communications.