— Sentence Case Converter

Sentence Case Converter

Quick Tips

  • This tool runs entirely in your browser - your data stays private.
  • Press Ctrl+V (Cmd+V on Mac) to quickly paste text.
  • Use the Copy button to save your result to clipboard.
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Convert text to proper sentence capitalization.

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Examples

Input
HELLO WORLD. HOW ARE YOU?
Output
Hello world. How are you?

Why Use This Tool?

What problems does this solve?

Text received in all caps or inconsistent capitalization needs normalization to readable sentence case. Manual correction of long documents is tedious and error-prone.

Common use cases:

  • Converting all-caps text to readable sentence format
  • Normalizing inconsistently capitalized content from various sources
  • Formatting subheadings in modern sentence-case style

Who benefits from this tool?

Editors fixing poorly formatted submissions. Content managers normalizing text from multiple contributors. Writers converting notes and drafts to polished prose. Anyone dealing with legacy all-caps data.

Privacy first: All processing happens in your browser. Your text never leaves your device, making this safe for confidential documents and sensitive content.

Frequently Asked Questions

Capitalizes only the first letter of each sentence and proper nouns.

By terminal punctuation (. ! ?) followed by a space.

Yes, paste your text and it formats all sentences correctly.

You may need to manually capitalize names and places within sentences.

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