lowercase to Sentence case Converter
Convert lowercase text to Sentence case — one line or a whole list at once.
To convert lowercase to Sentence case, paste your text above and the result updates as you type. user account id becomes User account id. Word boundaries are detected from the existing casing, so an identifier does not need separators to be split correctly. Sentence case is the modern default for interface labels and button text; it reads faster than Title Case and is far easier to keep consistent.
Runs in your browserAbout converting LOWERCASE to SENTENCECASE
Lowercasing is how you normalise text before comparing it — though for user-facing comparisons, locale matters: Turkish dotted and dotless i famously break naive lowercasing. Sentence case is the modern default for interface labels and button text; it reads faster than Title Case and is far easier to keep consistent. Converting lowercase to Sentence case turns user account id into User account id; acronyms are the awkward case in every direction, since "userID" and "userId" split differently and only one of them round-trips.