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Sentence Case vs Title Case: When to Use Each

Sentence case capitalizes only the first word (and proper nouns): "How to write a good headline." Title Case capitalizes most major words: "How to Write a Good Headline." Style guides disagree on which is "correct" — the real answer depends on context.

When Title Case fits

Academic paper titles, book titles, and formal headings traditionally use Title Case. It signals formality and structure.

When Sentence case fits

Modern web writing, UI copy, and many style guides (including AP for some contexts) increasingly favor Sentence case for headlines — it reads as more conversational and is easier to scan at a glance.

Pick one and stay consistent

The mistake to avoid is mixing styles across headings in the same document. A case converter lets you standardize a whole page of headings in one click instead of manually retyping capitalization throughout.

Key takeaways

• Title Case suits formal, academic, and traditional headings.
• Sentence case reads as more conversational and is common in modern web writing.
• Whichever you pick, apply it consistently across the whole document.

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