Automatically Capitalize Your Title
Capitalize words with four or more letters (AP style)
Capitalize words with five or more letters
Do not capitalize words based on length (Chicago Manual of Style)
See the rules
Capitalize the first and the last word.
Capitalize nouns, pronouns, adjectives, verbs, adverbs, and subordinate conjunctions.
Lowercase articles (a, an, the),
Lowercase the "to" in an infinitive (I want to play guitar).
The Chicago Manual of Style
: 16 ed. paragraph 8.155
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