Sentence Case Converter
Convert text to Sentence case online free. Browser-based, private, no uploads.
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Sentence Case Converter
Capitalize only the first letter of each sentence — perfect for proofreading.
Why it matters: Sentence case fixes text pasted from SHOUTING sources back to natural reading.
How to convert text case
- 1 Type or paste your text into the box above.
- 2 Pick a case style — UPPERCASE, lowercase, Title Case, or a programming case.
- 3 Watch the converted text update live, then copy it with one click.
- 4 Use sentence case or clean text to fix formatting from copied sources.
- 5 Open a specialized converter from the hub below for a single style.
Frequently Asked Questions
Only the first letter of the first word in a sentence is capitalized. The rest are lowercase. Conversion happens entirely in your browser, so your text never leaves your device. You can convert one line or many lines at once depending on the mode.
No. It only adjusts capitalization. Proper nouns (names, places) may need manual correction. Conversion happens entirely in your browser, so your text never leaves your device. You can convert one line or many lines at once depending on the mode.
Standard for body text, emails, and casual communication. More readable than ALL CAPS. Conversion happens entirely in your browser, so your text never leaves your device. You can convert one line or many lines at once depending on the mode.
Yes. It capitalizes the first word after . ! or ? to start new sentences correctly. Conversion happens entirely in your browser, so your text never leaves your device. You can convert one line or many lines at once depending on the mode.
Yes. There is no charge, no account, and no watermark on the output. Conversion happens entirely in your browser, so your text never leaves your device. You can convert one line or many lines at once depending on the mode.
All Case Converters
Specialized case converters for documents, code, and cleanup.
Programming Cases
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