Title Case Converter

Q: Which words are automatically lowercase in title case conventions?

Short words like 'a,' 'an,' 'the,' 'and,' 'or,' and short prepositions ('in,' 'on,' 'at') usually stay lowercase, unless they're the first or last word. The exact list shifts slightly depending on the style guide.

Instantly apply formatting conventions for major publication standards including AP, Chicago, and MLA styles. 100% client-side execution.

What is a Title Case Converter?

Say you're writing a headline for a news site that follows AP Style: "The Rise of Remote Work." Simple enough, until you add a preposition. AP lowercases "of," but capitalizes "In" if it opens the title. Chicago has a different list of exceptions. MLA follows its own pattern. Get one word wrong, and your headline no longer matches your publication's standard.

A Title Case Converter takes care of this for you. Paste your text, pick the guide you're following (AP, Chicago, MLA, or a few others), and it applies the right rules automatically. No more guessing which small words should stay lowercase, and no more flipping through a manual every time you write a headline.

Here's what it does for you:

Converts text into proper title case based on the style guide you choose
Supports AP, Chicago, MLA, and sentence case formatting
Offers quick alternate conversions like ALL CAPS, lowercase, and camelCase
Updates your result instantly as you type or paste
Keeps your original text untouched, so you can compare before and after

Paste your headline, choose your style, and copy the result.

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AP Style Matrix

Lowercases all prepositions and conjunctions containing three letters or fewer.

Capitalizes words with 4 or more letters. Consistently downcases short terms like 'for', 'of', 'to', 'in', and 'up' unless they begin/end a title string context.

Chicago Manual Rules

Lowercases all primary prepositions uniformly regardless of their individual character counts.

Maintains lowercasing structures for longer prepositions such as 'through', 'between', and 'without' positioned internally within titles.

MLA Guide Setup

Targets lowercasing rules for short internal grammatical conjunctions, articles, and prepositions.

Adheres strictly to academic citation styling conventions, prioritizing capitalization of multi-syllable terms over four letters long.

Why Title Case Formatting Matters

Getting capitalization wrong is a small mistake that stands out in a big way. A headline with the wrong words capitalized looks careless, even when the writing itself is solid.

Style guides exist because publications need consistency. A newspaper following AP, an academic paper following MLA, and a novel following Chicago all capitalize titles differently, and on purpose. Readers might not consciously notice the rules, but they do notice when something looks off.

Applying these rules by hand gets old fast, especially if you're formatting dozens of headlines, article titles, or reference entries in a week. Miss one exception, like forgetting that "and" stays lowercase in AP style, and you're back to fixing it manually.

This is where a converter earns its place. Journalists prepping headlines, students formatting a bibliography, marketers writing subject lines, and teams maintaining a shared style guide all run into the same problem. Instead of memorizing every rule, you paste your text and let the tool handle it.

How to Use the Title Case Converter

Paste or type your text. Drop in a headline, title, or full paragraph.
Choose your style guide. Select AP, Chicago, MLA, sentence case, or another format from the dropdown.
Copy your result. Your converted text updates instantly, ready to copy or clear and start again.

Frequently asked questions

It follows the capitalization rules for whichever guide you select, such as AP, Chicago, or MLA. Each one has its own list of words, like short prepositions and conjunctions, that stay lowercase unless they open or close the title.

Short words like "a," "an," "the," "and," "or," and short prepositions ("in," "on," "at") usually stay lowercase, unless they're the first or last word. The exact list shifts slightly depending on the style guide.

Yes. Your text is processed in your browser, and nothing is stored or shared once you're done.

Yes. The tool also offers sentence case, ALL CAPS, lowercase, and camelCase as quick alternate options.

Both. You can paste a single headline or a longer block of text, and the tool applies the same rules throughout.