Web Ext Core

Core libraries to develop web extensions for all browsers.

@webext-core/storage

An alternative, type-safe API similar to local storage for accessing extension storage.

A simpler, type-safe API for sending and recieving messages.

Easily schedule and manage reoccuring jobs.

Utilities for working with match patterns

Call a function, but execute in a different JS context, like the background.

Create a container who's styles are isolated from the page's styles.

An in-memory implementation of webextension-polyfill for testing.

Publish your extension to the various stores, with full support for Firefox source code uploads.