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.
Milanote - Milanote is a note taking app for creative work.
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.
Unleash Business Creativity in Notion - Any idea can be a valuable one, if systematically developed.
Buno - Simple Note Taking - Simple, minimal & easy note-taking
Four note boards - A simply stupid text tool to help think multidimensionally
Chars - Unicode Symbols Keyboard for iOS