Detailed Definition
Sentence case is a writing format in which each sentence starts with an uppercase letter while most other letters remain lowercase, improving readability for paragraphs and long-form content.
Glossary HubText Formatting
What is Sentence Case?
A capitalization style where the first letter of a sentence is uppercase and the rest are mostly lowercase.
1 min read•Updated 2026-05-10
Interactive Text Formatter & Case Converter
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Note: Unicode formatting (Bold / Italic) works separately from Case Converter tools. For best results, apply case conversion first, then use Unicode formatting.
Practical Example
Code/Output blockInput: THIS IS AN EXAMPLE SENTENCE Output: This is an example sentence
Why It Matters
Sentence case is the most readable and natural capitalization style for long blocks of text. It matches everyday language, which is why it is preferred by major tech companies like Google and Apple for user interfaces.
Common Use Cases
1
Formatting headers in modern blog posts
2
Writing email subject lines to increase open rates
3
Structuring text labels and tooltips in software UI
Frequently Asked Questions
Use sentence case for most paragraphs, blog copy, and conversational text where readability is the top priority.
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