Sentence Case Converter

Use the Sentence Case Converter to normalize text into readable sentence case for notes, imported copy, all-caps content, paragraphs, and editing, locally.

Lowercases text and capitalizes the first letter of each sentence, based on basic punctuation rules.

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The Sentence Case Converter normalizes text by lowercasing words and capitalizing the first letter of each sentence. It is useful when cleaning up notes, imported content, or copy that was typed in all caps. Paste your text, click a button, and you get a more readable, sentence-style result.