Sentence Case Converter
Convert text to sentence case — first letter of each sentence capitalised, rest lowercased. Works on multiple sentences and preserves line breaks. Free online.
100% client-side · no upload
How to use
- Paste or type your text into the input box.
- Click Convert to Sentence Case.
- The first letter of each sentence is capitalised; all others are lowercased. Line breaks are preserved.
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Frequently Asked Questions
- Is this sentence case converter free?
- Yes, completely free with no signup and no usage limits.
- Does my text leave my device?
- No. All processing runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Last updated: By jarvisbox