crimx / ext-saladict
🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.
crimx / ext-saladict
rumoii / streamfirefly
网页媒体嗅探与下载工具，包含浏览器扩展和 Windows 本地助手。Web media detection and download tool with a browser extension and a Windows native helper.
bitwarden / clients
Bitwarden client apps (web, browser extension, desktop, and cli).
violentmonkey / violentmonkey
Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support.
floccusaddon / floccus
:cloud: Sync your bookmarks privately across browsers and devices
iorate / ublacklist
Blocks specific sites from appearing in Google search results
scriptscat / scriptcat
ScriptCat, a browser extension that can execute userscript; 脚本猫，一个可以执行用户脚本的浏览器扩展
code-charity / youtube
YouTube / Video Browser-Extension. [Top1 FOSS.] Enrich your experience & choice! 🧰Smart features📌set & forget📌300+ tweaks. Longest-standing. Join🧩us?👨👩👧👧 ⋮ {playback|discovery|extra player buttons|quality|codec|full tab|full screen|no distraction|shorts}
mdn / webextensions-examples
Example Firefox add-ons created using the WebExtensions API
EFForg / privacybadger
Privacy Badger is a browser extension that automatically learns to block hidden trackers
salarcode / SmartProxy
Firefox/Chrome browser extension. SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
keepassxreboot / keepassxc-browser
KeePassXC Browser Extension
helloyanis / age-verification-bypass
Extension to bypass age verification on some websites
hoothin / SearchJumper
Yet another awesome browser extension for switching search engines, search everything (selection text / image / link / find in page) on any engine with a simple right click or a variety of menus and shortcuts. Build with React & Material-UI. (WIP).
downthemall / downthemall
The DownThemAll! WebExtension
ScratchAddons / ScratchAddons
All-in-one browser extension for Scratch.
tridactyl / tridactyl
A Vim-like interface for Firefox, inspired by Vimperator/Pentadactyl.
extension-js / extension.js
The cross-browser extension framework.
Authenticator-Extension / Authenticator
Authenticator generates 2-Step Verification codes in your browser.
libredirect / browser_extension
A browser extension that redirects popular sites to alternative privacy friendly frontends
piroor / treestyletab
Tree Style Tab, Show tabs like a tree.
mozilla / 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.
mozilla / web-ext
A command line tool to help build, run, and test web extensions
SeleniumHQ / selenium-ide
Open Source record and playback test automation for the web.
web-scrobbler / web-scrobbler
Scrobble music all around the web!
ipfs / ipfs-companion
Browser extension that routes ipfs:// addresses and content-addressed websites through your own local IPFS node
ken107 / read-aloud
An awesome browser extension that reads aloud webpage content with one click
qsniyg / maxurl
Finds larger/original versions of images and videos
ray-lothian / UserAgent-Switcher
A User-Agent spoofer browser extension that is highly configurable
Drive4ik / simple-tab-groups
Create, modify and quick change tab groups. Inspired by the Tab Groups app :)
FirefoxBar / HeaderEditor
Manage browser's requests, include modify the request headers, response headers, response body, redirect requests, cancel requests
crittermike / shortkeys
A browser extension for custom keyboard shortcuts
danny0838 / 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.
josh-berry / tab-stash
Firefox extension to save and restore tabs as bookmarks. Clear your tabs, clear your mind.
internetarchive / wayback-machine-webextension
A web browser extension for Chrome, Firefox, Edge, and Safari 14.
webextension-toolbox / webextension-toolbox
Small CLI toolbox for cross-browser WebExtension development
birchill / 10ten-ja-reader
A browser extension to translate Japanese by hovering over words.
yorkxin / copy-as-markdown
A browser extension to copy tabs and links as Markdown
w3c / webextensions
Charter and administrivia for the WebExtensions Community Group (WECG)
serversideup / webext-bridge
💬 Messaging in Web Extensions made easy. Batteries included.
sereneblue / chameleon
WebExtension port of Random Agent Spoofer
WofWca / jumpcutter
⏩ Fast-forwards long pauses between sentences — watch lectures ~1.5x faster (browser extension)
woodruffw / ff2mpv
A Firefox/Chrome add-on for playing URLs in mpv.
realzza / bilibili-accelerator
Safari-friendly Bilibili CDN accelerator for smoother overseas playback.
Dreamlinerm / Netflix-Prime-Auto-Skip
Automatically skip Ads, Intros, Credits, etc. on all major Streaming services
sblask-webextensions / webextension-skip-redirect
Some web pages use intermediary pages before redirecting to a final page. This add-on tries to extract the final url from the intermediary url and goes there straight away if successful.
ActivityWatch / aw-watcher-web
Browser watcher for ActivityWatch
Liu-Bot24 / chatgpt-route-inspector
ChatGPT 模型路由检测器：查看服务器报告的真实响应模型，自动识别路由降级，GPT Pro 计划降智查询。｜ChatGPT Model Route Inspector: view the actual response model reported by the server, automatically detect routing downgrades, and check whether GPT Pro requests are being downgraded.
triptit244 / Re-BTRoblox-Revived
ReBTRoblox 2026: Enhanced Roblox Site Extension for Power Users
tsvb / post-peek
Read one post and leave. Chrome and Firefox extension that opens X and Bluesky post links in a popup, not the full site. No account, no cookies sent to either.
nburns / hister-safari
Unofficial Safari port of asciimoo/hister
Open-Capture / opencapture
Free, 100% local full-page screenshot extension for Chrome, Edge and Firefox — capture a whole page as one image, then crop, annotate, blur and export to PNG or PDF. No uploads, no account. Rust/WebAssembly core, AGPL-3.0.
samirpatil2000 / veloop
Veloop: instant webcam loop pedal and video soundboard for Google Meet, Zoom, and WebRTC calls. 100% local, open source.
vaulthunt3r / dialogue-export
Export ChatGPT or Gemini conversations to Markdown, PDF, HTML, TXT, and JSON — locally in Firefox.
codexss / Proxi
A clean and lightweight Chrome proxy switcher. 一个简洁的 Chrome 代理切换扩展。
gautamkrishnar / motrix-webextension
A browser extension for the Motrix Download Manager and its forks