This is a small experimental virtual keyboard for transcribing following CATMuS transcription guidelines that would contain some explanatory marks and would be independent on any platform or tool. Simply open this website alongside any document you are working on and copy and paste necessary characters.

The website works also completely locally.

V.0.2 - 2026-11-02.
Created by Jan Odstrčilík, with the help of Gemini and Github Copilot.