Title Case Converter
Convert a heading to title case or switch text to sentence case, uppercase, lowercase, capitalized words, or alternating case. Acronyms already written in capitals stay intact.
Written and checked by TheToolNet Editorial Team · Last reviewed: October 10, 2026 · Editorial method
Common short articles, conjunctions, and prepositions remain lowercase in the middle of a title.
Convert text case
How this title case converter works
The default rule capitalizes the first and last word plus other words not found in a practical small-word list. It preserves existing all-capital acronyms such as NASA. Each line is processed as a separate title so a pasted list keeps its layout.
Why style guides can disagree
Editorial guides make different choices about prepositions, conjunctions, infinitives, hyphenated terms, and words following punctuation. This converter provides a clear general-purpose result; check formal titles against the exact guide required by your publisher, school, or organization.
Other conversion formats
Sentence case lowercases the text and capitalizes the first letter after sentence boundaries. It cannot reliably recognize every proper noun. Uppercase, lowercase, and capitalized-word modes are mechanical transformations.
Frequently asked questions
Will names such as iPhone or eBay be preserved?
Not automatically unless their existing capitalization is all capitals. Review brand names and proper nouns after conversion.
Is my text uploaded?
No. Conversion happens locally in the browser.