Sentence Case Converter: Perfect First Letter Capitalization
Transform any text into properly formatted sentences with our intelligent sentence case converter. Whether you're fixing formatted text, preparing documents, or cleaning up content, our tool automatically capitalizes the first letter of each sentence while converting the rest to lowercase. Perfect for professional writing, academic papers, and social media posts.
Features & Benefits
Smart first letter capitalization
Preserves proper nouns and acronyms
Handles multiple paragraphs seamlessly
Maintains punctuation and formatting
Processes unlimited text length
Free and instant conversion
How to Use
Copy and paste your text into the left input box
Watch it transform to sentence case instantly
Review the converted text in the right box
Click 'Copy' or Download' to use your converted text
Use Cases
Professional Writing
- Business emails
- Report formatting
- Document preparation
- Academic papers
Content Creation
- Blog posts
- Article formatting
- Social media content
- Marketing materials
Text Clean-up
- Fixing CAPS LOCK text
- Correcting mixed case
- Standardizing documents
- Newsletter formatting
Examples
| Original Text | Result |
|---|---|
THIS IS A SAMPLE TEXT. ANOTHER SENTENCE. | This is a sample text. Another sentence. |
what about questions? does it work? | What about questions? Does it work? |
hello. my name is john. i live in new york. | Hello. My name is john. I live in new york. |
THE QUICK BROWN FOX. JUMPS OVER. | The quick brown fox. Jumps over. |
Platform Compatibility
Document Platforms
- Microsoft Word
- Google Docs
- Apple Pages
- LibreOffice
Online Platforms
- Gmail
- WordPress
- Medium
- Social Media
Pro Tips
Double-check proper nouns after conversion
Use for cleaning up copied text from PDFs
Combine with spell-check for best results
Review acronyms and specialized terms
Keep original text as backup
Best Practices
Use sentence case for body text
Maintain consistency throughout documents
Preserve acronyms and initialisms
Follow style guide requirements
Consider audience expectations
Frequently Asked Questions
Find answers to common questions about our tools and services.