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. Where Each Convention Is Standard Sentence Case Is Standard In: Product UI and interfaces: Google Material Design, Apple Human Interface Guidelines, and most modern SaaS products (Notion, Linear, Stripe, Figma) use sentence case for button labels, navigation items, form labels, dialog titles, and tooltips. The reasoning: sentence case reduces cognitive load. Users read interfaces, not books. A UI label like "Save and continue"…
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