localForage: Offline Storage, Improved – Mozilla Hacks - the Web developer blogWeb apps have had offline capabilities like saving large data sets and binary files for some time. You can even do things like cache MP3 files. Browser technology can store data offline and plenty of it. The problem, though, is that the technology choices for how you do this are fragmented. localStorage gets you really basic data storage, but it’s slow and can’t handle binary blobs. IndexedDB and
