01 / Sentence case
Only the first word
Reads like a normal sentence. Common for buttons, menus and headings on many websites and apps.
Free tool
Paste text that was typed with Caps Lock on, a heading that needs Title Case, or a list of names for code, and change it in one click: sentence case, lowercase, UPPERCASE, Capitalised, Title Case, alternating, inverse, camelCase, PascalCase, snake_case, kebab-case and more. Undo goes back step by step.
Text is changed in your browser. It is never uploaded.
Which case
01 / Sentence case
Reads like a normal sentence. Common for buttons, menus and headings on many websites and apps.
02 / Title Case
Big words get a capital, short joining words such as "and", "of" and "the" stay small, except at the start or end.
03 / Code styles
camelCase and PascalCase for code names, snake_case for files and databases, kebab-case for web addresses.
Questions
Articles, short joining words and short prepositions (a, an, the, and, but, or, for, of, on, in, to, by, at and a few more) stay lower case unless they start or end the title or follow a colon. Words with capitals inside them, such as iPhone or NASA, are left as they are. Style guides differ in details, so check a headline that matters against the guide you follow.
It cannot know which words are names, so it makes everything lower case except the first letter of each sentence and the word "I". Capitalise names again by hand.
Yes. Upper and lower case follow your browser's language rules, so letters such as é, ß, ç and Greek or Cyrillic letters change correctly.
Yes. Undo steps back through every change you made with the buttons, up to 50.
No. The text stays in this tab.