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serversideup /webext-bridge

Sponsor

Star694

💬 Messaging in Web Extensions made easy. Batteries included.

messaging web-extensions webext browser-extensions

UpdatedNov 1, 2025
TypeScript

Mr-VincentW /PhotoShow

Star371

PhotoShow is a browser extension helping you view/copy/download high-definition images simply by hovering mouse on image thumbnails, improving your productivity and online experience!

chrome-extensions image-enlarger image-downloader productivity-tools image-zoomer browser-extensions firefox-addons edge-extensions

UpdatedFeb 6, 2026
JavaScript

PlasmoHQ /bpp

Sponsor

Star200

🚀 Browser Platform Publisher

chrome-extension firefox-addon json-schema continuous-integration opera-addon continuous-deployment actions browser-extension chrome-extensions web-extensions browser-extensions edge-addon

UpdatedFeb 12, 2025
TypeScript

MobileFirstLLC /extension-cli

Sponsor

Star185

Command line tool for building extensions/add-ons for chromium based browsers.

chrome-extension cli firefox-addon extensions addons developer-tools opera-extension browser-extension command-line-tool web-extensions edge-extension browser-extensions

UpdatedFeb 17, 2026
JavaScript

jamespizzurro /picket-line-notifier

Star154

A browser extension that alerts you when you navigate to a website belonging to an organization whose employees are on strike.

chrome-extension firefox firefox-addon google-chrome chromium edge firefox-extension browser-extension chrome-extensions edge-extension firefox-extensions chrome-browser-extension add-ons-for-firefox cross-browser-extension javascript-browser-extension browser-extensions microsoft-edge-extension firefox-addons edge-extensions web-browser-extension

UpdatedMar 24, 2025
JavaScript

madkarmaa /automatic-chatgpt-dan

Star139

Browser userscript to automatically send DAN messages to ChatGPT

nlp ai userscript chatbot artificial-intelligence openai userscripts browser-extension gpt conversational-ai browser-extensions gpt-3 gpt-4 chatgpt chat-gpt chatgpt-browser-extension chat-gpt-tool chatgpt-dan chat-gpt-dan chagpt-jailbreak

UpdatedNov 27, 2023
JavaScript

yuis-ice /visited

Star97

Securely collect browsing history over browsers.

opera-addon chrome-browser self-hosted personal-data sqlite3-database browser-history firefox-extensions web-platform tampermonkey-script archival ownyourdata opera-browser incognito-mode digital-history privacy-by-design selfhosting extension-chrome brave-extension brave-browser browser-extensions

UpdatedJul 16, 2021
JavaScript

Micro-SaaS-Examples /Best-Micro-SaaS-Tools

Star97

A curated list of real Micro SaaS tools categorized by niche. Perfect for inspiration, research, and startup ideas.

api developer-tools awesome-list marketing-tools no-code seo-tools saas-boilerplate indie-hacker startup-tools browser-extensions productivity-apps micro-saas ai-tools generative-ai saas-examples

UpdatedFeb 20, 2026

WiLuX-Source /Discord-Token-Login

Star78

Simple account switcher for Discord web with QoL features.

discord userscript accountswitcher browser-extensions discord-token-login

UpdatedApr 20, 2025
JavaScript

madkarmaa /youtube-downloader

Star69

A simple userscript to download YouTube videos in MAX QUALITY

youtube userscript youtube-dl userscripts browser-extension youtube-downloader youtube-download youtube-music yt-downloader yt-download youtube-downloader-js ytmusic browser-extensions youtube-music-downloader youtube-shorts youtube-shorts-download ytshorts yt-shorts

UpdatedOct 23, 2024
JavaScript

logore /amazon-prime-video-1080p

Star62

A Chrome Extension that forces 1080p resolution for videos on Amazon Prime Video to be applied

chrome-extension browser-extension chrome-extensions amazon-prime-video browser-extensions

UpdatedMay 13, 2024
JavaScript

Copy-n-Paste: Clipboard Upload Simplified extension for Chromium and Firefox. Simplifies uploading copied screenshots, images, files from clipboard. No need to save as files. Similar to Opera Easy Files.

javascript chrome-extension clipboard firefox-addon webextension firefox-extension opera-extension browser-extension chrome-extensions copy-paste mozilla-firefox-addon edge-extension clipboard-extension chromium-extension vivaldi-extension brave-extension clipboard-api browser-extensions edge-extensions chromium-extensions

UpdatedDec 2, 2025
JavaScript

hummingme /kahuna

Sponsor

Star42

Browse, edit and manage IndexedDB databases in Firefox and Chromium browsers

firefox chrome databases webextensions indexeddb database-gui chrome-extensions database-manager indexeddb-tools indexed-db browser-extensions firefox-addons

UpdatedJan 19, 2026
TypeScript

AminoffZ /bun-browser-extension-builder

Star28

A tool for quickstarting your browser extension development. Powered by Bun!

template typescript bun browser-extensions

UpdatedSep 22, 2023
TypeScript

tonytonyjan /TJDict

Star14

TJDict is a fast, easy, open-source, and ad-free browser extension for multi-dictionary searching.

firefox chrome dictionary edge search-tool browser-extensions

UpdatedOct 2, 2024
JavaScript

levitation-opensource /aliexpress-fake-sites

Star13

uBlacklist blacklist - Fake webstores - Blocks fake machine-translated web stores that only redirect you to AliExpress. I have added various domains mostly from .ee (Estonia) top-level domain and a few others, in total about 550 new domains so far.