JavaScript firefox-extension

Open-source JavaScript projects categorized as firefox-extension | Edit details

Top 23 JavaScript firefox-extension Projects

  • GitHub repo bypass-paywalls-chrome

    Bypass Paywalls web browser extension for Chrome and Firefox.

    Project mention: Have we ever been led by a worse prime minister than this smirking vacuum? | | 2021-07-22

    Article might be paywalled.

  • GitHub repo buster

    Captcha solver extension for humans

    Project mention: Is there any add-on or something on Iceraven(any firefox) browser that helps me bypass the annoying Captcha thing everytime I search something(the vpn causing it) ? Also for chromium based browsers? | | 2021-07-06

    you can't install it on mobile

  • GitHub repo stylus

    Stylus - Userstyles Manager (by openstyles)

    Project mention: Does anyone know how to change this back to the old icon? This one is super distracting, and I honestly find it quite ugly. | | 2021-07-22

    if you use pc or laptop you can add a styleseet for youtube, use this extension called stylus - (it's open source) , then you can add custom css , so you them make a style sheet for and add this css .ytp-doubletap-static-circle { display: none !important; } this will hide the circle.

  • GitHub repo Reddit-Enhancement-Suite

    Reddit Enhancement Suite

    Project mention: Bist du am Gewinnen, Sohn? | | 2021-07-23

    Reddit Enhancement Suite, ein Addon für den Browser.

  • GitHub repo Retire.js

    scanner detecting the use of JavaScript libraries with known vulnerabilities

  • GitHub repo floccus

    :cloud: Sync your bookmarks across browsers via Nextcloud, WebDAV or Google Drive

    Project mention: ISO: bookmark syncing tool - cross platform | | 2021-07-06

    Nextcloud + Bookmark App + Floccus is a good setup (

  • GitHub repo privacybadger

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

    Project mention: Datenschutz und Anonymität im Internet - (einfache) Empfehlungen für jedermann | | 2021-07-18

    Why not Privacy Badger? Privacy Badger is another privacy focused browser extension maintained by the Electronic Frontier Foundation. I worked for the EFF on the project full time for 6 months, and found that its current privacy benefits to be limited. Adding new privacy protections was difficult, or impossible with the current architecture. And the project maintainers were not interested in fixing these issues. Comparisons with other anti-tracking projects can be found here.

  • GitHub repo Universal-Bypass

    Don't waste your time with compliance. Universal Bypass circumvents annoying link shorteners.

    Project mention: help me | | 2021-07-22
  • GitHub repo ipfs-companion

    Browser extension that simplifies access to IPFS resources on the web

    Project mention: Subdomains for IPFS | | 2021-06-28

    That is correct. If you have the IPFS Companion[0] browser extension installed then it can automatically recognize URLs of this form and rewrite them to use your local IPFS node instead of the public gateway. The advantage of using in your links instead of ipfs://... is that the former still works even if the visitor doesn't have the extension installed.


  • GitHub repo toolkit-for-ynab

    A general purpose YNAB enhancing browser extension for Chrome and Firefox. Have it your way!

    Project mention: Update With Toolkit? | | 2021-07-14

    Weird, mine is working fine... I do see a couple of issues, mostly double text in notes with Markdown but my reports seem to be working.

  • GitHub repo ghostery-extension

    Ghostery Browser Extension for Firefox, Chrome, Opera and Edge

    Project mention: How to track trackers? [Python for now] | | 2021-04-05

    Btw, I don't know if you noticed but ghostery is open source.

  • GitHub repo search-by-image

    Browser extension for reverse image search, available for Edge, Chrome and Firefox

    Project mention: Anyone knows the source for this? | | 2021-07-16


  • GitHub repo rust-search-extension

    🦀 The ultimate search extension for Rust

    Project mention: Why you shouldn't obsess about Rust "features" | | 2021-07-07

    Tip: does in rustdoc

  • GitHub repo web-search-navigator

    Chrome/Firefox extension that adds keyboard shortcuts to Google, YouTube, Github, Amazon, and others

    Project mention: Is this one of the bang feature? | | 2021-03-21
  • GitHub repo read-aloud

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

    Project mention: What is your favorite FOSS speech synthesizer? What is your current speech synthesis setup? | | 2021-06-18

    I don't have a wide knowledge of FOSS speech synthesizers, but one related FOSS application I can recommend is Read Aloud. It is a browser extension for Chrome/Firefox that can use both FOSS synthesizers and external proprietary ones. You can expand voices by installing more local voices. You can for free use their "Basic" voices or pay a small fee for some of their Premium voices (if you pay for premium, as I did for 1 USD, you will get free additional characters every month. I am currently sitting with more characters than I started with). You can alternatively give API keys for Google Cloud, AWS, or IBM. If you want more quality voices.

  • GitHub repo webextension-toolbox

    Small CLI toolbox for cross-browser WebExtension development

    Project mention: How to structure repository for browser extension | | 2021-06-22

    Use WebExtension Toolbox.

  • GitHub repo browser-extension-template

    📕 Barebones boilerplate with webpack, options handler and auto-publishing

    Project mention: Cross-Browser Extension Template | | 2021-02-09
  • GitHub repo web-archives

    Browser extension for viewing archived and cached versions of web pages

    Project mention: What are some of your favorite Addons for Firefox? | | 2021-07-15
  • GitHub repo startpage

    A minimal starpage for Chrome and Firefox

    Project mention: [i3-gaps] i like purple again | | 2021-02-11

    here you go

  • GitHub repo firefox-scripts

    userChromeJS / autoconfig.js and extensions

    Project mention: About userChrome.css files. | | 2021-06-05

    Do whatever you want, it would be very useful if you want to tweak more in the future. Just unzip this into the Firefox install folder, then extract these files, the plugin manager, the plugin and it's files into your chrome folder where your .css files are, then go to about:support and click 'Clear startup cache'. Some of the other plugins are pretty decent, too,

  • GitHub repo containerise

    Firefox extension to automatically open websites in a container

    Project mention: Container in Firefox | | 2021-05-24

    If you've found something you believe is broken, post on their issue tracker...

  • GitHub repo grasp

    A reliable org-capture browser extension for Chrome/Firefox

    Project mention: Making ZK a sustainable habit | | 2021-07-14

    For quick notes form web articles I just use Grasp ( to capture a link in a file where I casually pull out for proper transformation in permanent/literature notes or simply archive to a grasp-ARCHIVE for eventual casual future full-text search.

  • GitHub repo react-extension-boilerplate

    :rocket: Modern React boilerplate for Firefox and Chrome extensions.

    Project mention: React for Firefox Add-On Development | | 2021-04-06

    I want to create an Add-On for Firefox using React. I've already done some research and found the following repo: react-extension-boilerplate but it appears to be outdated. When updating the packages, there are some breaking changes.

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 2021-07-23.


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

Project Stars
1 bypass-paywalls-chrome 17,104
2 buster 3,807
3 stylus 3,411
4 Reddit-Enhancement-Suite 3,215
5 Retire.js 2,793
6 floccus 2,339
7 privacybadger 2,190
8 Universal-Bypass 1,589
9 ipfs-companion 1,440
10 toolkit-for-ynab 1,042
11 ghostery-extension 943
12 search-by-image 618
13 rust-search-extension 612
14 web-search-navigator 590
15 read-aloud 501
16 webextension-toolbox 404
17 browser-extension-template 369
18 web-archives 324
19 startpage 299
20 firefox-scripts 264
21 containerise 244
22 grasp 211
23 react-extension-boilerplate 200