Title Case Converter

This tool capitalizes your headlines the way real style guides actually do. Paste a title, choose a standard, and the converter capitalizes the important words while keeping small words like a, an, the, and, of, in, and on lowercase in the middle of the line. Everything runs in your browser, so your text never leaves your device.

What is the Title Case Converter?

The Title Case Converter turns a plain or messy line of text into a properly capitalized title. Unlike a basic tool that simply uppercases the first letter of every word, this converter follows the rules of real editorial style guides — it capitalizes the major words of your headline while leaving short, functional words such as articles, conjunctions, and short prepositions in lowercase when they sit in the middle of the line. The Title Case Converter switches your text between AP, Chicago, APA, MLA, and several generic capitalization styles in one click. That is the difference between "The Lord of the Rings" (correct) and "The Lord Of The Rings" (what a naive tool produces).

Because every conversion runs locally in your browser, your text never leaves your device — no upload, no log, no account. That keeps an unpublished headline, a paper title, or a confidential project name on your machine and nowhere else.

How to use it

Type your title into the box, or paste it from a document, email, or web page.
Pick a capitalization style from the dropdown — AP, Chicago, APA, MLA, or a generic option.
The result updates live as you type and whenever you change the style; there is no convert button to hunt for.
Press Copy to grab the result, then paste it wherever you need it.

The whole experience is deliberately pick a style, copy, done: open the page, drop in your title, choose the standard your editor or professor expects, and move on.

The rules behind each style

Every style agrees on two things: always capitalize the first and last word of a title, and always capitalize the major words (nouns, pronouns, verbs, adjectives, and adverbs). They differ in how they treat small words in the middle:

AP style — keep articles (a, an, the), coordinating conjunctions (and, but, or...), and prepositions of three letters or fewer (of, to, in...) lowercase. A preposition of four letters or more, such as "From" or "Over", is capitalized.
Chicago style — keep articles, coordinating conjunctions, and all prepositions lowercase regardless of length, so even "Between" and "Through" stay lowercase mid-title.
APA style — keep articles, short conjunctions, and prepositions of three letters or fewer lowercase, but capitalize any major word of four letters or more.
MLA style — keep articles, coordinating conjunctions, and prepositions of any length lowercase, very close to Chicago.
Title Case — a friendly everyday default that capitalizes each word but lowercases a small curated set of common words (a, an, the, and, of, to, in...).
Start Case — capitalize every single word with no exceptions, useful for labels and menu items.
Sentence case — capitalize only the first letter of each sentence, matching ordinary body text.
UPPERCASE and lowercase — map every letter to its capital or small form.

Worked examples

Input "the catcher in the rye" → AP / Chicago → "The Catcher in the Rye".
Input "a tale of two cities" → APA → "A Tale of Two Cities".
Input "jumping over the lazy dog" → AP → "Jumping Over the Lazy Dog" (Over is 4 letters, so AP capitalizes it).
Input "jumping over the lazy dog" → Chicago → "Jumping over the Lazy Dog" (Chicago lowercases all prepositions).
Input "this is a test" → Start Case → "This Is A Test".

Common use cases

Journalists and bloggers formatting headlines to AP style for newsrooms and content management systems.
Students and researchers capitalizing paper, chapter, and reference titles correctly for APA or MLA submissions.
Authors and editors setting book, article, and section titles in Chicago style.
Marketers keeping email subject lines, ad headlines, and landing-page titles consistent.
Anyone who pasted a title in the wrong case and just wants it fixed in a tap.

Why use this one

Most "title case" tools online do nothing more than capitalize the first letter of every word, which produces titles that read as amateurish to any editor. This converter encodes the actual small-word rules of AP, Chicago, APA, and MLA, so the output matches what your style guide expects — including the subtle preposition-length difference between AP and Chicago. It is non-destructive (your source text stays in the box so you can compare styles), needs no sign-up, and runs entirely in your browser. It pairs naturally with the Case Converter when you need quick UPPERCASE or lowercase, the Text Formatter to clean up stray spacing, and Find and Replace to swap words before you apply a style.

Frequently asked questions

What is the difference between AP and Chicago title case?

Both capitalize the major words and the first and last word of a title. The key difference is prepositions: AP style lowercases prepositions of three letters or fewer but capitalizes longer ones such as 'Over' or 'From', while Chicago style lowercases prepositions of any length. So 'Jumping Over the Lazy Dog' is correct in AP, and 'Jumping over the Lazy Dog' is correct in Chicago. This converter applies each rule for you.

Which small words stay lowercase in a title?

Articles (a, an, the), coordinating conjunctions (and, but, or, nor, for, so, yet), and short prepositions (of, to, in, on, at, by) stay lowercase when they appear in the middle of a title. They are always capitalized when they are the first or last word. The exact preposition list depends on the style guide you choose.

Does the converter change my line breaks or spacing?

No. The converter only changes the capitalization of letters. Your spaces, line breaks, punctuation, numbers, and symbols are left exactly where they were, so the structure of your text is preserved.

Is my text sent anywhere when I convert it?

No. Every conversion runs locally in your browser, so the text you paste never leaves your device and nothing is logged on a server. That makes it safe to use for unpublished headlines and confidential titles.