Sentence Case Converter
Sentence case makes text easier to read by lowercasing everything and capitalizing the first letter of each sentence. It is perfect for turning shouty text into readable prose.
Paste your text, apply sentence case, and copy the result instantly.
Input Text
Formatted Text
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Try It in 30 Seconds
Paste the text you want to normalize.
Keep "Sentence Case" selected in the dropdown.
Click Format Text and copy the output.
Examples
Example 1
Input
THIS IS A TEST. HERE IS ANOTHER LINE.
Output
This is a test. Here is another line.
Example 2
Input
WELCOME TO THE ROADMAP! NEXT: Q3 PLANS.
Output
Welcome to the roadmap! Next: q3 plans.
Example 3
Input
mixed case text. ANOTHER SENTENCE.
Output
Mixed case text. Another sentence.
How It Works
Paste all-caps or mixed-case text.
Apply sentence case to make it readable.
Copy the cleaned paragraph where you need it.
Common Sources
Frequently Asked Questions
How does sentence case work here?
It lowercases the text and capitalizes the first letter after a period, question mark, or exclamation mark.
Will acronyms stay uppercase?
No. Because the text is lowercased first, acronyms like NASA become Nasa.
Does it change punctuation?
No. Only capitalization is adjusted.
Can I switch to title case?
Yes. Use the dropdown to select Capitalize All Words.
Does it work on multi-line text?
Yes. It applies sentence case across the entire input, including line breaks.