Classic
Sentence Capitalizer
Capitalize sentences, fix sentence starts, and normalize lowercase, uppercase, or mixed-case text.
Classic
Sentence Case
Runs in your browser
Formatted Text
Changes Made
Guide
How to use Sentence Capitalizer
The Sentence Capitalizer capitalizes sentence starts and normalizes the rest of pasted text. Use it when you need to capitalize a sentence, fix lowercase paragraphs, or turn mixed capitalization into readable sentence case.
Common use cases
- Capitalize sentences copied from chats, notes, documents, or forms.
- Fix lowercase paragraphs before using them in an email or article.
- Normalize mixed-case text while keeping the original wording.
Formatting tip
Review proper nouns after conversion when names, places, or brands use custom capitalization.
Is Sentence Capitalizer free?
Yes. This tool runs in your browser as part of the free TextWorks workspace.
Does this tool change the meaning of my text?
No. It is designed to adjust case, spacing, structure, and readability without adding or removing meaning.