JavaScript Webextension

Open-source JavaScript projects categorized as Webextension

Top 23 JavaScript Webextension Projects

  • floccus

    :cloud: Sync your bookmarks privately across browsers and devices

    Project mention: Safari retakes second place in global browser market share, but Edge is close behind | | 2023-05-24

    Try floccus if you want to sync between different browsers.

  • privacybadger

    Privacy Badger is a browser extension that automatically learns to block invisible trackers.

    Project mention: Game Thread: May 26 - Toronto Blue Jays (26-25) @ Minnesota Twins (26-24) - 8:10 PM | | 2023-05-26

    If you watch on a laptop, the Privacy Badger browser extension does an excellent job of blocking ads

  • Appwrite

    Appwrite - The Open Source Firebase alternative introduces iOS support . Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!

  • Traduzir-paginas-web

    Translate your page in real time using Google or Yandex

    Project mention: Iconic Torrent Site RARBG Shuts Down, All Content Releases Stop | | 2023-05-31

    I think this is the one I'm using

  • youtube

    YouTube Extension (Top100): Enrich your experience & content [🧰80 lean Features][📌Longest-standing][Please👨‍👩‍👧‍👧write HowTo's]⚙️⋮{🎞️☕🎛️🎧🔊⏯️🎬🎨📈🧩🧪} Youtube Player Repeat Screenshot | Hide youtube distraction related videos, youtube ads expand Description Speed-watching Video Quality codec co2 Player Size Full Tab playback custom Theme (by code-charity)

    Project mention: YouTube suddenly forces light mode | | 2023-03-16

    Known issue in recent update:

  • multi-account-containers

    Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.

    Project mention: Problems with Firefox Container is draining my CPU at 100%. | | 2023-05-21

    I have about 35 tabs open, some are work tabs, some are personal tabs and others are social tabs. About 1 week ago I started having the problem that while I have the Open Containers completely draining, my CPU is at 100%. While when I close them all my CPU returns to its normal state of use 20% I see that the problem is existing. any help? I have the latest version of Firefox on Windows 10

  • browser_extension

    A browser extension that redirects popular sites to alternative privacy friendly frontends

    Project mention: Teddit – An alternative Reddit front-end focused on privacy | | 2023-05-31

    The LibRedirect website has a great list of alternatives:

  • web-ext

    A command line tool to help build, run, and test web extensions

    Project mention: Mozilla solves the Manifest V3 puzzle to save ad blockers from Chromapocalypse | | 2023-02-18

    > I hope FF gets service workers going soon

    As of October 2022, that’s “not planned”:

  • Klotho

    AWS Cloud-aware infrastructure-from-code toolbox [NEW]. Build cloud backends with Infrastructure-from-Code (IfC), a revolutionary technique for generating and updating cloud infrastructure. Try IfC with AWS and Klotho now (Now open-source)

  • ipfs-companion

    Browser extension that simplifies access to IPFS resources on the web

    Project mention: How do I make IPFS work right again? | | 2023-02-06

    I am sorry that I couldn't be of more help. Perhaps cloning the github repo, entering developer mode, and manually creating an extension will resolve your issue.

  • privacy-redirect

    A simple web extension that redirects Twitter, YouTube, Instagram & Google Maps requests to privacy friendly alternatives.

    Project mention: AI Generated Propaganda | | 2023-05-02

    There is an open-source browser extension called Privacy Redirect which will turn all Twitter links you click into Nitter links [0].

    This also turns Reddit links into Libreddit/Teddit links, YouTube links into Invidious links, etc.

    Basically you get to browse an Internet without intrusive pre-roll ads or outrage algorithms. I think based on your comment that this might be of interest to you.


  • keepassxc-browser

    KeePassXC Browser Extension

    Project mention: Browers extensions | | 2023-05-28

    The aforementioned uBlock Origin in all of them. Furthermore I have Dark Reader, KeePassXC-Browser, Redirector and (since very recently, but might be temporary) SponsorBlock in the browsers in which it makes sense.

  • webextension-pixiv-toolkit

    A web extension for Pixiv

    Project mention: Downloading ugoiras | | 2023-03-26

    Pixiv Toolkit

  • read-aloud

    An awesome browser extension that reads aloud webpage content with one click

    Project mention: What is the most human-souding TTS option in Archlinux, available through arch repos and AUR? | | 2023-01-23

    I've already used this in the past, and it's been good: Good luck!

  • simple-tab-groups

    Create, modify and quick change tab groups. Inspired by the Tab Groups app :)

    Project mention: "You need an updated version of Firefox for this extension" Despite being on the latest version (111.0.1). | | 2023-04-08

    The older release is still available on that page, but presumably with different features. Development looks very active here:

  • motrix-webextension

    A browser extension for the Motrix Download Manager

  • webscrapbook

    A browser extension that captures web pages to local device or backend server for future retrieval, organization, annotation, and edit. This project inherits from legacy Firefox add-on ScrapBook X.

  • UserAgent-Switcher

    A User-Agent spoofer browser extension that is highly configurable

    Project mention: Fedora 38 is worth the upgrade? (instability) | | 2023-04-28
  • sieve

    Sieve Script Editor (by thsmi)

    Project mention: I Want To Serve My Email Locally From My Linux Server With a Web-Based Interface | | 2022-12-06

    FYI You shouldn't really be using procmail for sorting see the notice at the top of this page. Dovecot has built in seive functionality witch you can use this desktop GUI to manage.

  • HumbleNewTabPage

    New tab page extension for Chrome and Firefox

    Project mention: What tool do you use to store and organize important links? | | 2022-11-19

    Browser bookmarks. Then this add on for convenience.

  • firefox-translations

    Firefox Translations is a webextension that enables client side translations for web browsers.

    Project mention: Firefox Translations is now enabled by default in Nightly. | | 2023-05-30
  • stream-detector

    A Firefox addon for keeping track of manifests used by various streaming protocols and downloading media files.

    Project mention: Blob storage links - All4 | | 2022-11-23

    Use The Stream Detector

  • blocktube

    YouTube™ content blocker

    Project mention: Anyway to avoid spoilers by blocking videos with certain words in the title? | | 2023-05-28

    Yup! BlockTube is an open source addon that does that!

  • extension-create

    (maintance) Create modern cross-browser extensions with no build configuration.

  • tomato-clock

    Tomato Clock is a simple browser extension for managing your productivity.

    Project mention: How to make studying fun....? | | 2022-12-14
  • Sonar

    Write Clean JavaScript Code. Always.. Sonar helps you commit clean code every time. With over 300 unique rules to find JavaScript bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-05-31.

JavaScript Webextension related posts


What are some of the best open-source Webextension projects in JavaScript? This list will help you:

Project Stars
1 floccus 4,077
2 privacybadger 2,750
3 Traduzir-paginas-web 2,561
4 youtube 2,528
5 multi-account-containers 2,360
6 browser_extension 2,344
7 web-ext 2,327
8 ipfs-companion 1,895
9 privacy-redirect 1,678
10 keepassxc-browser 1,384
11 webextension-pixiv-toolkit 1,101
12 read-aloud 1,067
13 simple-tab-groups 918
14 motrix-webextension 807
15 webscrapbook 711
16 UserAgent-Switcher 665
17 sieve 650
18 HumbleNewTabPage 538
19 firefox-translations 530
20 stream-detector 528
21 blocktube 514
22 extension-create 371
23 tomato-clock 321
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