Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support.
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Jul 21, 2025 - JavaScript
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webextensions
Universal standard for creating browser extensions.
Working through a W3C charter group, Mozilla has partnered with Microsoft and Opera to define a browser extension API that works across multiple browsers.
There is currently a preliminary specification that matches what Google has implemented in Chrome so that extensions written to the specification could potentially work on Chrome, Edge, Opera and Firefox.
Here are 255 public repositories matching this topic...
ClearURLs is an add-on based on the new WebExtensions technology and will automatically remove tracking elements from URLs to help protect your privacy.
firefox security chrome privacy addon webextensions addons-mozilla-org tracking-protection anti-tracking
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Jul 27, 2025 - JavaScript
Example Firefox add-ons created using the WebExtensions API
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Aug 6, 2025 - JavaScript
Tree Style Tab, Show tabs like a tree.
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Jul 25, 2025 - JavaScript
⚡️ A template for building cross browser extensions for Chrome, Opera & Firefox.
gulp chrome-extension es6 firefox-addon extensions boilerplate-template webextensions opera-extension
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May 2, 2024 - JavaScript
A command line tool to help build, run, and test web extensions
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Aug 8, 2025 - JavaScript
An awesome browser extension that reads aloud webpage content with one click
chrome-extension text-to-speech firefox-addon accessibility webextension webextensions firefox-extension browser-extension chrome-extensions edge-extension browser-addon firefox-extensions chromium-extension page-reader
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Jun 30, 2025 - JavaScript
Save a web page/selection as an eBook (.epub format) - a Chrome/Firefox/Opera Web Extension
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Feb 26, 2022 - JavaScript
📕 Barebones boilerplate with Parcel 2, options handler and auto-publishing
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Feb 3, 2025 - JavaScript
A browser extension to copy tabs and links as Markdown
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May 31, 2025 - JavaScript
Fast, open and free-to-use new tab page for modern browsers
react chrome-extension quotes photos firefox chrome extension firefox-addon new-tab newtab chromium modern-browsers webextension webextensions edge startpage browser-extension hacktoberfest customisable edge-extension
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Aug 6, 2025 - JavaScript
Chrome/Firefox extension for pen-testing to retrieve encryption keys of Widevine protected content !DON'T DECRYPT CONTENT UNLESS YOU HAVE THE RIGHT TO DO IT!
chrome-extension firefox-addon webassembly wasm webextension webextensions firefox-extension drm web-extension widevine chrome-extensions web-extensions firefox-extensions firefox-webextension web-ext pyodide firefox-add-ons firefox-addons encrypted-media-extensions pywidevine
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Oct 29, 2024 - JavaScript
🔑✅ An alternative to Twitter's verified accounts powered by Keybase.
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Apr 12, 2022 - JavaScript
A WebExtension that lets you fix sound problems in e.g. YouTube videos
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Jan 12, 2024 - JavaScript
UI for create-web-ext
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Mar 15, 2023 - JavaScript
a modern, open source speed dial for chrome, edge and firefox
chrome-extension opensource firefox-addon thumbnails bookmarks webextensions firefox-extension browser-extension bookmarks-manager favorites bookmark-manager edge-extension tabs-management home-page new-tab-page start-page yasd
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May 23, 2025 - JavaScript
A client for scuttlebutt network as a Firefox WebExtension
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Mar 31, 2025 - JavaScript
Block distracting websites when you are browsing the web. Use for procrastination.
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Feb 13, 2023 - JavaScript
A devtools extension for toggling CSS features allowing developers to see how pages/apps render in browsers that don't support modern CSS features
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Mar 3, 2022 - JavaScript
Change colors of contribution graph in GitHub.
github chrome-extension github-extension webextensions firefox-extension browser-extension contribution-graph
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Nov 10, 2023 - JavaScript
Created by Browser Extension Community Group
Released May 7, 2015
- Followers
- 284 followers
- Website
- github.com/topics/webextension