RetroHexChat supports IRC-compatible formatting, Markdown, and plain text messages.
Message Format
Use the IRC, MD, and TXT selector beside the composer to choose how the next message is saved and rendered.
Methods
Toolbar: The formatting toolbar changes with the selected message format.
Keyboard Shortcuts:
Ctrl+Shift+B — Bold Ctrl+Shift+Y — Italic Ctrl+Shift+U — Underline Ctrl+Shift+D — Color (opens color picker) Ctrl+Shift+V — Reverse Ctrl+Shift+X — Reset all formatting
Strip Formatting
Click the S button in the formatting toolbar to strip all formatting from incoming messages.