Slim, handy, quick! Rated 5 out of 5 stars

Yes, these notes are quick notes! This tiny tool is just what I need. Tried Quickfox Notes, but didn't like it, becase it stores the notes in a "Quickfox Notes" bookmarks folder that is not definable or placeable somewhere else. Now I discovered QuickNote and it is the best! I love the ability to open it in a tab and that I can save all notes to text files. The only thing left is, I'd like to know where QuickNote itself stores the notes in the FF profile folder?!

This review is for a previous version of the add-on (0.6.0.4). 

The notes are stored...

...in the profile folder in the chrome/quicknoteN.txt files by default.