Sentence case capitalizes only the first word and proper nouns, while title case capitalizes every major word. The visual difference is significant.
Title case capitalizes every significant word in a title, including nouns, verbs, adjectives, and adverbs. Short function words are lowercased unless they open or close the title.
Title case is the default format for book titles, film titles, and album names in American English. It signals that a phrase is a formal title rather than ordinary prose.
Open Title Case 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 converterTitle case is the default format for book titles, film titles, and album names in American English. It signals that a phrase is a formal title rather than ordinary prose.
Nouns, verbs, adjectives, and adverbs are always capitalized. Articles, coordinating conjunctions, and short prepositions are lowercased in the middle of a title.
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 title case for American publications, formal headings, and contexts where major words are conventionally capitalized.
Choose sentence case for British publications, software interfaces, product documentation, and any context that favors a conversational and unforced tone.
The choice between the two often comes down to geography and medium. American print publishers favor title case, while British publishers and technology companies favor sentence case.