If you ever need a quick scratchpad to just write, not save what you write, but just write, you can quickly turn your web browser into an ultra-basic notepad with a single line of HTML.

Don’t worry, it’s beyond simple to use. This notepad trick works because of HTML’s “contenteditable” attribute that can turn any part of a web page into an interactive area for editing text.

Notepad GNU has a lot to recommend on its own, including optional background transparency, loads of HTML and other code-minded plug-ins, a menu that can quickly send a file to a browser or other ...