Count words, characters, sentences, paragraphs, and reading time locally.
Case Converter
Convert text to upper, lower, title, or sentence case locally.
client processing
How to use Case Converter
Enter or choose your values, run the tool, and copy or download the result where available. Reset starts a clean calculation.
Private browser processing
This utility runs in your browser. Toolbox does not send its inputs to the server. Saved state is used only where the tool clearly says so.
Related tools
Trim, deduplicate, sort, reverse, find, replace, and normalize text.
Compare two texts line by line without uploading either one.
Generate configurable placeholder paragraphs locally.