Title Case capitalizes the first letter of every word, like "This Is Title Case".

What does Sentence case do?

Sentence case capitalizes only the first letter of the first word and proper nouns (if detected roughly), like "This is sentence case".

💡Quick Answer

Convert text case instantly: UPPERCASE, lowercase, Title Case, Sentence case, and aLtErNaTiNg cAsE. Useful for fixing accidental Caps Lock.

转换文本大小写（大写、小写、标题、句子）。

标题大小写将每个单词的首字母大写，如「This Is Title Case」。

句子大小写仅将第一个单词的首字母和专有名词（如果粗略检测到）大写，如「This is sentence case」。