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Sentence Case Converter

Lower-case text and capitalise the first letter of each sentence, fixing text typed with caps lock on.

Runs in your browserText → Text
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Example

Input
HELLO THERE. i AM HERE! how ARE you?
Output
Hello there. I am here! How are you?

How to use the Sentence Case Converter

  1. Paste or type your Text into the input area, or open a file from your device.
  2. Adjust the options above the editor if the tool offers any.
  3. Review the Text result, then copy it or download it as a file.

Privacy and limitations

  • Your data is processed on your device and is not uploaded to any server.

Related converters

Title Case ConverterCapitalise the first letter of every word, optionally keeping articles and short prepositions lower case.Lowercase ConverterConvert text to lowercase, handling accented and non-Latin letters correctly.camelCase ConverterConvert phrases, snake_case or kebab-case identifiers to camelCase, one identifier per line.PascalCase ConverterConvert phrases and identifiers to PascalCase (UpperCamelCase) for class and type names.snake_case ConverterConvert camelCase, PascalCase or plain phrases to snake_case, splitting acronyms sensibly.Uppercase ConverterConvert text to UPPERCASE instantly, with full Unicode support for accented and non-Latin letters.kebab-case ConverterConvert text or identifiers to kebab-case (hyphen separated), ideal for CSS classes and URLs.CONSTANT_CASE ConverterConvert identifiers and phrases to SCREAMING_SNAKE_CASE for constants and environment variables.

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