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Sentence Case Converter Online

Sentence case capitalises the first letter after every full stop, question mark or exclamation mark and lowercases everything else. It is the quickest way to normalise messy pasted copy into readable prose.

Runs in your browser — your text is never uploaded or stored.

Messy text

Sentence case result

This is the first sentence. And this one was shouted. Did it get fixed?

How to Use

1.Paste text with inconsistent capitalisation.
2.Check the Sentence case output in the result box.
3.Copy the cleaned-up prose into your editor.

FAQ

Will proper nouns stay capitalised?

No. Sentence case lowercases everything except sentence openings, so re-capitalise names and brands after converting.

Does it work on multiple paragraphs?

Yes — every sentence in every paragraph is processed in one pass.

Need more options?

Case Converter

Free online case converter. Instantly change text to UPPERCASE, lowercase, Title Case, Sentence case or aLtErNaTiNg case in your browser — no signup.

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