Style comparison
Compare title-case profiles
Case Converter provides five deterministic editorial profiles. They make common guide differences easy to compare, but they are not endorsed or complete replacements for the publishers’ manuals.
| Profile | Prepositions | Final minor word | Notable behavior |
|---|---|---|---|
| AP | Lowercase through 3 letters | Capitalized | Articles and coordinating conjunctions lowercase internally |
| APA | Lowercase through 3 letters | May remain lowercase | Four-letter and longer words are generally treated as major |
| Chicago | Lowercase through 4 letters | Capitalized | As is lowercase; if, yet, and so are capitalized |
| MLA | All recognized prepositions lowercase internally | Capitalized | As and if are capitalized |
| New York Times | Engine short-word rules | Engine rules | Uses the converter’s baseline publication-style engine |
Read the implemented profile rules
Each profile page documents Tool Packer’s exact deterministic boundaries, a regression-tested example, and where the current external guide or human editorial judgment must take precedence.
- AP title-case profile
- APA title-case profile
- Chicago title-case profile
- MLA title-case profile
- New York Times-labeled baseline profile
Compare profiles with the same input
These focused comparisons run one unchanged title through both selected profiles, explain every visible difference, and identify the grammar, edition, and language questions that still need human review.
Answers for common title words
Position matters as much as the selected profile. These guides compare internal, opening, subtitle, and final-word behavior using exact Case Converter output.
- Do you capitalize “with” in a title?
- Do you capitalize “from” in a title?
- Do you capitalize “the” in a title?
Punctuation and compound decisions
Tool Packer uses explicit boundary characters and one shared compound algorithm. These pages document the exact behavior and the style-specific questions that still need review.
Apply casing in real workflows
Capitalization is only one layer. These guides distinguish authoritative source titles, academic formatting, newsroom decisions, and platform metadata from the converter’s plain-text output.
- Movie title capitalization
- Book title capitalization
- Essay title capitalization
- Headline capitalization
- YouTube title capitalization
Where differences appear
Short prepositions are the most visible difference. For example, Chicago lowercases with in A Guide with Examples, while a profile with a shorter preposition threshold may capitalize it. APA can leave a final short preposition lowercase in Be Careful What You Wish for.
Words at boundaries
Every profile capitalizes a first word and a word following a recognized subtitle boundary. AP, Chicago, and MLA also force the final word to begin with a capital letter. APA intentionally preserves its profile treatment for a final minor word.
Compounds and grammatical ambiguity
The converter consistently recognizes ASCII, Unicode, and nonbreaking hyphens. It preserves internal minor words in compounds such as State-of-the-Art. Guide-specific compound rules and words whose part of speech changes by context still require editorial judgment.
Choosing a profile
Use the profile required by your publisher, school, organization, or client. If no style is mandated, select one profile and use it consistently. Turn on explanations to inspect why individual words were capitalized or lowercased.