Taking notes for books in an organized manner has always been a hard work. Not only will the notes be lost, but they are also hard to search with. Sometimes you can’t even write on a borrowed book. BookNotes utilizes rectangular detection to allow users to scan a page of the book and take notes on the image easily. Users can also type additional notes and add tags to facilitate searching. Users can organise the notes according to the book they belong to by simply scanning the barcode of the book, then the details of the books are filled in automatically.