Text & Writing Utilities

Title Capitalization Tool – AP, APA, Chicago & MLA Headline Formatter

Capitalize article headlines, book titles, and essays according to rules based on common AP, APA, Chicago and MLA conventions. Check your publisher's style guide.

Headline & Title Capitalization Assistant
Primary Result (AP Style)
The Ultimate Guide to Investing in Mutual Funds and Fixed Deposits
Associated Press standard (Capitalizes all words 4+ letters)

All Style Formats

AP Style
The Ultimate Guide to Investing in Mutual Funds and Fixed Deposits
Associated Press standard (Capitalizes all words 4+ letters)
APA 7th Edition
The Ultimate Guide to Investing in Mutual Funds and Fixed Deposits
Academic style for psychology, education & sciences
Chicago (CMOS)
The Ultimate Guide to Investing in Mutual Funds and Fixed Deposits
Lowercases all prepositions regardless of length
MLA Style
The Ultimate Guide to Investing in Mutual Funds and Fixed Deposits
Humanities & literature academic papers
Sentence case
The ultimate guide to investing in mutual funds and fixed deposits
First word capitalized, all others lowercase
UPPERCASE
THE ULTIMATE GUIDE TO INVESTING IN MUTUAL FUNDS AND FIXED DEPOSITS
ALL CAPS headlines & social banners

How Does It Work?

Format titles and headlines using rules based on common AP, APA, Chicago and MLA conventions. Check your publisher's style guide.

Mathematical Formula
Lexical classification of grammatical parts of speech according to editorial style guidelines

Applies specific casing rules per stylebook: capitalizing first/last words, major nouns/verbs, and lowercasing minor prepositions and conjunctions.

Real-World Worked Example

Formatting the headline: "why you should invest in mutual funds through a systematic plan"

Calculation Breakdown
  • •AP Style: "Why You Should Invest in Mutual Funds Through a Systematic Plan" (Preposition "Through" is capitalized because it has 4+ letters)
  • •Chicago Style: "Why You Should Invest in Mutual Funds through a Systematic Plan" (Preposition "through" is lowercased regardless of length)
  • •Sentence Case: "Why you should invest in mutual funds through a systematic plan"

Takeaway: The key distinction between AP and Chicago styles is AP’s rule that any word with 4 or more letters must be capitalized.

Related Guides & Calculation Deep Dives

All guides
Frequently Asked Questions

Title Capitalization Tool FAQs

Common questions, calculation formulas, and usage rules.

AP Style capitalizes all prepositions of 4 letters or more (like "With", "From", "Over"), whereas Chicago Manual of Style lowercases all prepositions regardless of length.

Yes! Across all major editorial style manuals (AP, APA, Chicago, MLA), the first word and last word of a headline are always capitalized.