What is IndexedDB good for?

Why would you use IndexedDB?

IndexedDB is a way for you to persistently store data inside a user's browser. Because it lets you create web applications with rich query abilities regardless of network availability, your applications can work both online and offline.

Is IndexedDB better than LocalStorage?

LocalStorage is slightly faster than IndexedDB in all browsers (disregarding the crashes). IndexedDB is not significantly slower when run in a web worker, and never blocks the DOM that way.

What can you store in IndexedDB?

Introduction to IndexedDB It can store an indefinite amount of data, although once over a certain threshold the user is prompted to give the site higher limits. It's supported on all modern browsers. It supports transactions, versioning and gives good performance.

Is it safe to use IndexedDB?

The short answer is IndexedDB is vulnerable to malware and physical takeover attacks. It's better than many options because cryptography is done outside the browser execution environment, but it's not totally secure.