Capitalization & Headline Guides

Our converters give you the right answer in one click; these guides explain the answer. Each one is a deep, practical reference written around the questions writers actually ask us.

Last updated: July 26, 2026

APA vs. Chicago vs. AP vs. MLA vs. AMA: Title Case, Compared

The definitive side-by-side comparison of the five big capitalization rule sets — what every guide agrees on, the preposition question that splits them into two camps, the same title rendered five ways, and a plain-text decision tree for choosing your style.

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The 10 Most Common Title Capitalization Mistakes

The ten errors we see most often in real titles — lowercased verbs, missed last words, mangled hyphens, capitalized conjunctions — each shown wrong and then right, with a one-line rule you can actually remember.

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Tricky Capitalization Cases, Solved

A working reference for the judgment calls converters can't make alone: subtitles after colons, hyphenated compounds, the phrasal-verb trap ('Log In' vs. 'in the Cloud'), brand names like iPhone, and why the first and last words always win.

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How to Write Headlines That Earn the Click

Everything that goes into a headline that earns its click: the three jobs every headline must do, length and truncation limits, how to use (and not overuse) power and emotional words, proven formats, and a ten-draft workflow that pairs with our Headline Analyzer.

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Sentence Case vs. Title Case: The Two-Style Debate

Where title case still rules, where sentence case has taken over, and why: platform-by-platform conventions for news, academia, books, web products, email and social — ending in a five-question checklist for picking your own convention.

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