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Title Case Converter

Apply AP, Chicago, APA or MLA title capitalisation rules — each treats small words differently.

Title case rules differ by style guide. AP and APA lowercase words of three letters or fewer; Chicago lowercases prepositions shorter than five letters; MLA lowercases all prepositions regardless of length. Every guide capitalises the first and last word. This tool applies any of them, or compares all four side by side.

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Runs entirely in your browser — nothing is uploaded
Cost
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Frequently asked questions

Why do the style guides disagree?

They draw the line between "important" and "connecting" words differently. AP uses word length as a simple proxy; MLA uses grammatical role; Chicago combines both. For a preposition like "between", AP capitalises it and MLA does not.

How to use the title case converter

  1. 1Enter or paste your titles.
  2. 2Choose the style guide.
  3. 3The result appears immediately — copy or download it.

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Put the working title case converter on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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