chrome-sync

I'm looking for an efficient way to store large amounts of data in my chrome extension. I've got a few txt files which are around 1-2mb. I'd like my chrome extension to 'cache' them locally so I don't need to fetch them every time. I've found syncFileSystem but this is only available for packed apps. There were warnings when trying to install this extension: 'syncFileSystem' is only allowed for packaged apps, but this is a extension. What is the best way to store this sort of data in a chrome extension? manifest.json { "manifest_version": 2, "name": "__MSG_name__", "version": "1.0", "default

Chrome DevTools has a handy inspector for Local Storage and Session Storage, but is there nothing to inspect chrome.storage.sync ? chrome://sync-internals/ doesn't seem to display the actual contents of the synchronized storage per extension. Storage Area Explorer extension provides a UI for viewing, editing, clearing, importing and exporting of chrome.storage.local , chrome.storage.sync , localStorage and sessionStorage : A poor workaround is to call get and obtain all the stored values. Of course, this doesn't let you conveniently edit them: chrome.storage.sync.get(null, function callback