Free Online Sentence Case Converter
Convert messy uppercase, lowercase, or title case text into clean sentence case with paragraph-aware punctuation handling. Everything runs locally in your browser, so your text is not uploaded.
Sentence Case Converter
Convert messy uppercase, lowercase, or title case text into clean sentence case with paragraph-aware punctuation handling.
Or paste text manually below. TXT, PDF, and DOCX files are processed in your browser and are not uploaded.