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Capitalization Guides

Clear, practical guides on title case rules, style guide differences, and programming naming conventions — written for writers, students, and developers.

Reading time and speaking time are calculated from word count. Here are the exact formulas, average WPM rates by context, and a comparison table for common content lengths.

· 4 min read

A practical guide to fixing common text formatting problems: extra line breaks from PDFs, double spaces, blank lines, and duplicate entries. Includes one-click fixes.

· 5 min read

Learn how to extract email addresses from plain text, HTML, CSV files, and logs instantly — and which patterns count as valid emails.

· 4 min read

How to pull all URLs and links out of any text — HTML source, Markdown, log files, or plain prose — and get a clean deduplicated list.

· 4 min read

How long should sentences be? Research-backed guidance on ideal sentence length for blogs, academic writing, marketing, and journalism, with examples and editing tips.

· 5 min read

What Flesch Reading Ease and Flesch-Kincaid Grade Level scores actually mean, what counts as a good score for different types of content, and how to improve yours.

· 6 min read

Keyword density is the percentage of times a keyword appears in text. Learn the formula, what percentage is ideal for SEO, and how to check yours.

· 5 min read

Book titles use title case: capitalize the first word, last word, and all major words. Learn the Chicago rules publishers expect, plus subtitle handling.

· 6 min read

Song titles use title case: capitalize the first word, last word, and all major words. Learn the rules, plus parentheses and featured artists, with examples.

· 4 min read

A great headline is specific, uses power words, triggers emotion, and stays under 70 characters. Learn the formulas and score your headline instantly.

· 7 min read

A complete guide to camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE: what each is, which languages use them, and when to use which.

· 8 min read

AP and APA differ sharply: AP capitalizes words of 4+ letters (with, from, into); APA lowercases all prepositions. See the full comparison and examples.

· 5 min read

Bluebook title case capitalizes major words and lowercases short prepositions of four letters or fewer. The standard for legal citations and law reviews.

· 4 min read

MLA and APA title case are nearly identical: both lowercase all prepositions. The real difference is in reference lists. See the full comparison and examples.

· 5 min read

kebab-case separates lowercase words with hyphens, like user-profile. It is the standard for URLs, CSS classes, HTML attributes, and Google's preferred URLs.

· 5 min read

Do you capitalize after a colon? In a title, always capitalize the first word. In a sentence, it depends on whether a full sentence follows. See the rules.

· 5 min read

Do you capitalize conjunctions in a title? Coordinating conjunctions (and, but, or) stay lowercase; subordinating conjunctions are capitalized. See the rules.

· 5 min read

Is "is" capitalized in title case? Yes, "is" is a verb, so it is capitalized in every title case style despite being two letters. Here is why, with examples.

· 4 min read

Is "the" capitalized in a title? As an article, it stays lowercase mid-title but is always capitalized as the first or last word. See the rules.

· 4 min read

Is "to" capitalized in a title? In most styles no, it stays lowercase. AP is the exception. See the rules for every style guide with examples.

· 5 min read

Is "with" capitalized in a title? It depends: AP capitalizes "With" (4 letters); APA, Chicago, and MLA keep it lowercase. See the rules and examples.

· 4 min read

Title case capitalizes principal words in headings. Learn the rules, see examples, and how APA, Chicago, AP, and MLA styles differ.

· 5 min read

Sentence case capitalizes only the first word and proper nouns. Learn when to use it, how it differs from title case, and where each is standard.

· 4 min read

APA 7th Edition title case lowercases all prepositions regardless of length. Complete rules, examples, and comparison with Chicago, AP, and MLA styles.

· 6 min read

Chicago Manual of Style title case capitalizes prepositions of 5+ letters but lowercases shorter ones. Complete CMOS 17 rules with examples.

· 5 min read

APA lowercases all prepositions; Chicago capitalizes those with 5+ letters. See the exact difference, side-by-side examples, and when to use each style.

· 5 min read

camelCase joins words without spaces, capitalizing each word after the first. It is the standard naming convention in JavaScript, TypeScript, and Java.

· 4 min read

snake_case separates words with underscores and uses all lowercase. It is the standard naming convention in Python, Ruby, and SQL database schemas.

· 4 min read

MLA title case lowercases all prepositions regardless of length. Complete MLA Handbook 9th edition rules, examples, and step-by-step formatting guide.

· 5 min read

AP style capitalizes any word of 4+ letters, including prepositions. The standard for US journalism — simple rules designed for deadline writing.

· 4 min read

Complete guide to title capitalization rules across APA, Chicago, AP, MLA, Bluebook, AMA, NY Times, Wikipedia, and Email styles — with examples and comparisons.

· 8 min read

PascalCase capitalizes every word including the first. It is the standard for classes, interfaces, and React components in most programming languages.

· 4 min read