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Automatically add content scripts to existing tabs when your extension is installed

Last commit Jun 30, 2025

 (22 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Browser Extension component messaging framework

Last commit Oct 21, 2025

 (1 star) (0 forks) (0 indexed issues) (0 open good first issues)

WebExtension module: Simple message handler

Last commit Nov 2, 2024

 (2 stars) (0 forks) (1 indexed issue) (1 open good first issue)

Helps you manage and autosave your extension's options.

Last commit Nov 17, 2024

 (156 stars) (12 forks) (0 indexed issues) (0 open good first issues)

Helps you manage and autosave your extension's options, separately for each additional permission

Last commit Apr 3, 2026

 (18 stars) (1 fork) (0 indexed issues) (0 open good first issues)

Utilities for patterns and globs for WebExtensions

Last commit May 23, 2026

 (23 stars) (2 forks) (0 indexed issues) (0 open good first issues)

Browser-action context menu to request permission for the current tab.

Last commit Feb 1, 2025

 (76 stars) (8 forks) (3 indexed issues) (3 open good first issues)

WebExtensions module: Get any optional permissions that users have granted you.

Last commit Dec 15, 2024

 (17 stars) (1 fork) (1 indexed issue) (1 open good first issue)

WebExtensions: Polyfill for `onAdded` and `onRemoved` permission events for Firefox.

Last commit May 5, 2020

 (3 stars) (1 fork) (0 indexed issues) (0 open good first issues)

Super-lightweight Promised wrapper around `chrome.*` API to be used in modules. Prefer `webextension-polyfill` if you’re using it directly in an extension.

Last commit Apr 27, 2023

 (12 stars) (1 fork) (0 indexed issues) (0 open good first issues)

WIP

Last commit Feb 8, 2023

 (5 stars) (0 forks) (0 indexed issues) (0 open good first issues)

A more usable typed storage API for Web Extensions

Last commit Apr 4, 2026

 (77 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Cache values in your Web Extension and clear them on expiration. Also includes a memoize-like API to cache any function results automatically

Last commit Dec 15, 2024

 (82 stars) (4 forks) (5 indexed issues) (1 open good first issue)

Utility functions for WebExtensions

Last commit Jun 4, 2026

 (26 stars) (1 fork) (0 indexed issues) (0 open good first issues)

A lightweight polyfill library for Promise-based WebExtension APIs in Chrome

Last commit Mar 9, 2021

 (0 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Wrapper around Mozilla’s webextension-polyfill to make it available as a global even with a bundler

Last commit May 28, 2023

 (2 stars) (0 forks) (0 indexed issues) (0 open good first issues)

This is a TypeScript ready "wrapper" for the WebExtension browser API Polyfill by Mozilla

Last commit Jan 16, 2022

 (0 stars) (0 forks) (0 indexed issues) (0 open good first issues)

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

Last commit Oct 1, 2025

 (0 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Last commit Oct 23, 2020

 (0 stars) (0 forks) (0 indexed issues) (0 open good first issues)

Just some personal webpack tests and their output

Last commit Oct 25, 2025

 (1 star) (0 forks) (0 indexed issues) (0 open good first issues)