Sentence Case Explained: Rules, Examples, and When to Use It
Sentence case vs title case: definitions, style guide recommendations, and practical examples for UIs, headings, and marketing copy.
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Tags: text, writing, style
Sentence Case vs Title Case: When to Use Each The decision between sentence case and title case is one of those small details that defines a brand's voice. Sentence case feels conversational and modern; title case feels formal and editorial. Both are correct in different contexts, but mixing them without intention creates visual noise and signals inconsistency. --- Defining the Two Conventions Sentence case capitalizes only: The first word of the sentence or heading. Proper nouns (names of people, places, products, companies). The word "I." Everything else stays lowercase. Title case capitalizes most words, following one of several style guide conventions (APA, Chicago, AP, MLA). At minimum, it capitalizes: The first and last word. Nouns, verbs, adjectives, and adverbs. Words above a…
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