This tool is designed to highlight characters that can not be entered using a single key on the keyboard
The aim is to identify unicode characters that may not behave as expected when read by downstream systems
Text entered into the left side box is assessed character by character to identify characters with a codepoint greater than 127. These characters are then highlighted in red on the right hand side
The git repository is here: https://github.com/Gavmo/dunicode
Send an email, raise an issue on Github, or fix it yourself and open a pull request