About the Sentence Case Converter
The Sentence Case Converter transforms your text into proper sentence case format, where only the first letter of each sentence and proper nouns are capitalized. This natural, readable text format is the standard for body text, paragraphs, and general writing across virtually all content types.
What Is Sentence Case?
Sentence case is the conventional capitalization style used in everyday writing. It follows standard English grammar rules:
- First word of each sentence is capitalized
- Proper nouns (names of people, places, organizations) remain capitalized
- All other words are lowercase
- The pronoun "I" is always capitalized
Why Convert Text to Sentence Case?
You might need sentence case conversion when:
- Fixing ALL CAPS text - Convert shouting text to normal readable format
- Normalizing copied content - Standardize text from various sources
- Reformatting titles to body text - Convert headlines for use in paragraphs
- Cleaning up OCR text - Fix capitalization errors from scanned documents
- Standardizing data imports - Normalize database entries and spreadsheet content
Sentence Case vs Title Case
Understanding when to use each format is crucial for professional writing:
- Sentence case: "The quick brown fox jumps over the lazy dog" - Used for body text, paragraphs, and general content
- Title case: "The Quick Brown Fox Jumps Over the Lazy Dog" - Used for headlines, titles, and headings
How Our Converter Works
Our sentence case converter intelligently processes your text by:
- Converting all text to lowercase as a baseline
- Identifying sentence boundaries (periods, exclamation marks, question marks)
- Capitalizing the first letter following each sentence-ending punctuation
- Processing text instantly in your browser for immediate results
Perfect for Content Cleanup
Whether you're editing articles, cleaning up copied text, or standardizing content from multiple sources, our sentence case converter ensures consistent, readable formatting throughout your documents.