Sentence Case Converter
Convert text to sentence case format instantly. Only the first letter and proper nouns are capitalized.
Enter any text you want to convert to sentence case. Maximum 10,000 characters.
How to use this sentence case converter:
- Type or paste your text into the input field
- Select your preferred formatting style
- Click "Convert" to transform your text
- Copy the result or download as .txt file
Tip: You can also press Ctrl+Enter (Cmd+Enter on Mac) to convert instantly.
Common Use Cases:
Email Bodies
Format email content with proper sentence structure
Articles & Posts
Standardize article text with sentence case formatting
Document Text
Convert document paragraphs to proper sentence format
Sentence Case Rules
- First Letter: Always capitalize the first letter of the sentence
- Proper Nouns: Capitalize proper nouns (names, places, organizations)
- Rest: All other words are lowercase
- After Punctuation: Capitalize the first letter after a period, question mark, or exclamation mark
- Consistency: Provides clean, readable formatting for long text