It's a really simple website which you can bookmark and go back to whenever you want, to paste or jot down any random notes you might want to whilst browsing the web.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
WriteNext - The writing application that boosts your writing. Increase focus and writing performance and reduce distractions by separating your creative writing from other activities. Let writing be the only activity you perform in the writing application.
Buno - Simple Note Taking - Simple, minimal & easy note-taking
Writebox - Writebox is a simple and distraction-free text editor for Chrome and iPhone/iPad.
Chars - Unicode Symbols Keyboard for iOS
Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.