Text & String Tools
In-Browser Privacy
Sentence Case Converter
Capitalize the first letter of each sentence while setting all other letters to lowercase.
0words
·0characters
·0without spaces
·0lines
Ready
0words
·0characters
·0without spaces
·0lines
How to Use Sentence Case Converter
1
Paste text with improper capitalization.
2
The tool capitalizes the beginning of each sentence following periods, question marks, and exclamation marks.
3
Copy your clean, readable paragraphs.
Example & Output
Capitalizes sentence starts after terminal punctuation.
Input Example
this is first sentence. and THIS is the second one! is it third?
Resulting Output
This is first sentence. And this is the second one! Is it third?
Privacy-First & In-Browser Guarantee
Your confidential text, passwords, and data are processed entirely inside your browser using client-side JavaScript. Nothing is sent to our servers or saved in a remote database.
No registration requiredNo rate limits100% Free Forever
Frequently Asked Questions
Yes, it accurately splits and formats after periods (.), exclamation marks (!), and question marks (?).
Related Tools
View all toolstext
Title Case Converter
Capitalize words for article headlines and titles.
Try tool
text
Lowercase Converter
Convert text to all lowercase letters.
Try tool
text
Capitalize Words
Capitalize the first letter of every word.
Try tool
text
Remove Line Breaks
Remove line breaks and join lines into clean text.
Try tool