Definition of sentence case
In sentence case, only the first letter of the first word in a sentence is capitalized (along with proper nouns and acronyms). This mirrors how we normally write in emails, articles, and documentation.
Sentence case is the most natural-looking way to write headings, paragraphs, and UI copy. It capitalizes the first word of a sentence and keeps everything else in lower case, unless it’s a proper noun.
In sentence case, only the first letter of the first word in a sentence is capitalized (along with proper nouns and acronyms). This mirrors how we normally write in emails, articles, and documentation.
Here’s what sentence case looks like in practice:
Sentence case is easier to scan than ALL CAPS or inconsistent capitalization. It feels friendlier, especially in product UI, marketing pages, and help articles like this one.
Paste your text into Pro Case Converter, select Sentence case, and the output panel will update automatically as you type. You can switch to title case, proper case, or other styles at any time.
Learn more about other case styles and when to use them: