Title Case Converter

Paste your text and convert it to proper title case – capitalizing major words while leaving short articles, conjunctions and prepositions in lower case (unless they start or end the title).

The formula

Lowercase the whole string, then split it on whitespace
Capitalise the first word and the last word always
Leave a word lowercase if it is in the small-word list
Capitalise every other word, including each part after a hyphen
Small-word list
Articles, coordinating conjunctions and short prepositions: a, an, the, and, but, or, nor, for, so, yet, at, by, in, of, on, to, up, via, per, as, into, like, near, off, out, over, past, than, till, upon, with, from.
First and last
Always capitalised regardless of the list, which is the rule every major style guide shares.

Worked example

Converting: the lord of the rings and the return of the king

The Lord of the Rings and the Return of the King

Everything is lowercased first, which matters for acronyms

The conversion starts by flattening the whole string, so text that was already correctly cased loses it: NASA becomes Nasa and iPhone becomes Iphone. Anything containing acronyms, brand names with internal capitals, or proper nouns with unusual casing needs a manual pass afterwards. This is a property of the approach rather than a bug, and it is the one thing to check every time before publishing the output.

Hyphenated words get both halves capitalised

Well-known becomes Well-Known, and self-esteem becomes Self-Esteem. Style guides disagree here — some capitalise only the first element when the second is a short word or a suffix. If you follow a guide with a specific rule on hyphenated compounds, expect to adjust those manually.

Which small words stay lowercase is a style decision

The list here covers the common articles, coordinating conjunctions and short prepositions. Guides differ on the boundary: some lowercase every preposition regardless of length, others capitalise anything of four or five letters and above. This tool applies one fixed list, so if your house style differs, treat the output as a first pass rather than a final answer.

Not the same as sentence case

Title case capitalises most words; sentence case capitalises only the first word and proper nouns. Which one to use is a house-style choice, and consistency across a site matters more than the choice itself — mixed headings look like an oversight even when each one is individually correct.

Common questions

What is title case?

A convention where the significant words in a heading are capitalised and minor words — articles, short prepositions and coordinating conjunctions — are left lowercase, except when they are the first or last word. It is standard for headlines, book titles and article titles in most style guides.

Which words stay lowercase?

This tool leaves lowercase a fixed list of articles, coordinating conjunctions and short prepositions such as a, the, and, but, of, on, to and with — unless the word is first or last in the title, in which case it is always capitalised.

Why did my acronym get changed?

Because the text is lowercased before it is recapitalised, so NASA becomes Nasa. Any acronym, brand name with internal capitals or unusually cased proper noun needs correcting by hand after conversion.

How is title case different from sentence case?

Sentence case capitalises only the first word and proper nouns, as in an ordinary sentence. Title case capitalises most words. Both are widely used; the important thing is applying one consistently across a publication.

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