A simple rich text editor. Type whatever you want, it won't be saved anywhere, but it might be convenient for quick throwaway notes. You should be able to use Ctrl+B and Ctrl+I to mark text selection ...
This will generate a codebase.md file with your codebase. Once you've generated the Markdown file containing your codebase, you can use it with AI models like ChatGPT and Claude for code analysis and ...