With this addon you can copy selected text without any formatting such as italic, bold, font size, etc. Just select text, right click and from context menu choose "Copy as plain text". Addon is customizable, so from options dialog you can choose some copy options. In the Copy Plain Text 2 feature "Make as default COPY action" not require application restart. Specially designed for AutoCopy2. Keyboard shortcut Ctrl+Shift+U copies text without formating.
Firefox 4.0 and later, SeaMonkey 2.0 and later, Thunderbird 3.0 and later