Title Case Converter
Capitalise headlines properly โ AP-style small words, not naive caps.
About this converter
Three styles: real title case (AP-flavoured โ small words like a, of, the, and, to stay lowercase except first, last, or after a colon; hyphenated compounds capitalise both halves), sentence case (only sentence starts and I), and naive Start Case for when you genuinely want Every Word Up. Interior capitals like iPhone survive.
Which case, where
Title case is the American convention for headlines, book titles and section headings โ AP, Chicago and APA disagree on details (four-letter words like "with" are the battleground) but agree on the core: articles, conjunctions and short prepositions stay down. Sentence case has quietly won the modern web โ most major sites and style-conscious products use it for being easier to read and easier to get right. The classic errors this tool exists to prevent: "A" up in the middle of a title, "Is" down (it's a verb โ always up), and the word after a colon left lowercase. For UPPERCASE, lowercase and aLtErNaTiNg, the general case converter handles the rest of the family.
Frequently asked questions
Which words stay lowercase in title case?
Articles (a, an, the), coordinating conjunctions (and, but, or), and short prepositions (of, to, in, by, atโฆ) โ unless they're the first or last word, or follow a colon. Verbs are always capitalised, including short ones like Is and Be.
What's the difference between title case and sentence case?
Title Case Capitalises Principal Words; sentence case only capitalises the first word and proper nouns. Print headlines lean title case; most modern websites use sentence case.
How are hyphenated words handled?
Both halves capitalise โ 'State-of-the-Art' โ per the major style guides, with the small connecting words inside staying down.
Does it break words like iPhone?
No โ words with interior capitals keep them; only the first letter is lifted, so iphoneโIPhone doesn't happen to iPhone.