Switch text to Sentence case, lower case, UPPER CASE, Title Case, alternating or inverse case in one click, then copy it. Undo restores the original.
Paste text and click a button to change its letter case. Sentence case lowers everything and then capitalizes the first letter of each sentence, which fixes text typed with Caps Lock on. Title Case capitalizes the first letter of every word, lower case and UPPER CASE do what they say, alternating case switches between small and capital letters, and inverse case flips the case of every letter.
The conversion happens in place, so you can apply several in a row. Undo brings back the text from before the last conversion, and Copy puts the result on your clipboard. Title Case here capitalizes every word, including short ones like "of" and "the", so check headlines that follow a style guide. For camelCase, snake_case and kebab-case, use the Text and List Editor.
No. It lowers all letters first, so names like London become london unless they start a sentence. Fix those by hand after converting.
Yes. Upper, lower and sentence case use your browser's Unicode case rules, so letters such as é and ß convert correctly.