Free title case converter with APA, Chicago, AP composition-title and MLA styles. Also convert sentence case, lowercase, uppercase, capitalize each word and toggle case. No sign-up or AI; text is processed locally in your browser. Convert up to 100 lines and 20,000 characters, keep preferred spellings such as iPhone, review changes, edit the result, and copy plain text. Useful for students, writers, editors, and anyone cleaning up headings or text typed with Caps Lock on. Context-sensitive capitalization still needs editorial review.