Sentence Case Converter — Fix Your Text Capitalization
Convert any text to proper sentence case where only the first letter of each sentence is capitalized. Ideal for cleaning up ALL CAPS text or fixing messy formatting.
When to Use Sentence Case
Sentence case is the most natural and readable capitalization style for body text, emails, social media posts, and casual content. Many modern design systems — including Google's Material Design — recommend sentence case for buttons, labels, and menu items over title case.
Converting All Caps to Readable Text
Received a document or email typed entirely in caps? It is hard to read and feels aggressive. Paste it into this tool to convert it to clean sentence case. You will get properly formatted text in seconds, ready to use in your reply or document.
Frequently Asked Questions
Sentence case capitalizes only the first letter of each sentence and proper nouns, with all other letters in lowercase. It mimics how you would naturally write a sentence. Example: 'The quick brown fox jumps over the lazy dog.'
The tool capitalizes the first letter after sentence-ending punctuation (periods, question marks, exclamation points). It does not automatically detect proper nouns, so you may need to manually capitalize names, places, and brands after conversion.