I have a chrome extension that does spell check. I want to implement the feature to \'add a word to dictionary\' but I read that chrome extension api does not allow reading and
You may use local storage of the browser. However if you want to be really flexible you may use nodejs and sockets. That's how I made my extension. I used nodejs, which has an access to the user's disk and sockets to communicate with the node app. The only one problem is that the user should install the module.