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Sentence Case Converter

Convert text to sentence case automatically.

What Is a Sentence Case Converter?

The Sentence Case Converter formats your text so the first letter of each sentence is capitalized and everything else is lowercase. It brings ALL-CAPS or mixed text into standard sentence style automatically. This free online text tool is useful for sentence case converter, sentence capitalization tool. Common use cases include cleaning copied text, articles, documentation, emails, and standard prose. It works directly in the browser, making it convenient for quick writing, editing, content, development, and data-preparation tasks without requiring a separate application.

How to Use This Sentence Case Converter

  1. 1
    Paste the textEnter the title, sentence, phrase, variable name, or identifier you want to transform.
  2. 2
    Choose the caseSelect the output style that matches your writing or programming convention.
  3. 3
    Review the conversionCheck word boundaries, acronyms, proper nouns, and existing capitalization.
  4. 4
    Copy the resultUse the transformed text in your document, code, URL, CSS, database, or content.
  5. 5
    Keep the original availableIf capitalization carries meaning, compare the result before publishing or committing it.

Frequently Asked Questions

The tool capitalizes after every period, exclamation mark, or question mark.
Like this very answer: only the first letter of each sentence is capitalized.
Not perfectly, but you can convert back into Title Case or UPPERCASE with our other converters.

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