Tools extensions

WPS PDF transmits persistent device and user identifiers to Google Analytics on every extension event.

Downloads videos and audio from many websites in common media formats.

Shazam sends a persistent installation identifier to its analytics servers on every popup interaction.

Google Dictionary sends a persistent UUID and lookup event data to Google Analytics on every dictionary or translation request.

This extension lets users type in many languages with virtual keyboards, IMEs, transliteration, and handwriting input.

Stands AdBlocker transmits every page URL and referrer to standsapp.org on each navigation, linked to a persistent user ID.

Adds chat enhancements, emotes, and display controls for Twitch and beta YouTube use.

This extension shows Microsoft Rewards progress and provides quick access to reward activities and redemption pages.

Ace Script silently auto-updates userscripts, sends session cookies on cross-origin requests, and disables CSP on all websites.

Splits and resizes browser windows into paired layouts to simulate a dual-monitor workspace.

Sets web searching to Ecosia so everyday searches help fund tree planting and climate action.

This extension adds customizable playback, appearance, and viewing controls to YouTube.

Keywords Everywhere exposes the user's API key to any website via a postMessage handler with no origin check.

Mobile simulator - responsive testing tool sends paid subscribers' email and account identifiers to PostHog analytics, bypassing the analytics opt-out setting.

Wordtune captures the full HTML content of AI chatbot pages and transmits it to its own servers.

MozBar transmits visited URLs and search result links to api.moz.com when the user is signed in.

Allow CORS injects Access-Control-Allow-Origin headers into all HTTP responses, disabling the browser's Same-Origin Policy while active.

Text Blaze sends the text near your cursor to its own AI assistant backend when you invoke that feature.

Adds customization, productivity, and editing tools across the Scratch website.

Hunter sends the domain of every website you visit to extension-api.hunter.io on each tab change and navigation.

Lightning Autofill fetches encrypted JavaScript from its servers and injects it into every web page for paid license holders.

SingleFile saves web pages as single HTML files and injects content scripts on all URLs that accept unvalidated postMessage events, enabling cross-origin DOM capture.

Enables text selection, right-clicking, copying, image saving, screen capture, and character counting on web pages.

Controls browser media, downloads, and file sharing from the KDE Plasma desktop.

Adds a Screenshot button to the YouTube player for saving or copying video frames.

Customizes YouTube playback, layout, themes, filters, and video discovery controls.

Ahrefs SEO Toolbar sends every page hostname and Google search queries to Ahrefs servers on each navigation.

This extension lets you manage browser cookies by adding, editing, deleting, searching, blocking, and exporting them.

Searches images across multiple reverse image search engines from the toolbar or context menu.

Capture screenshots, GIFs, and short videos from Chrome pages, full webpages, selected areas, or the desktop.

This extension shortens the current page link and can generate a QR code for sharing.

This extension lets you save and view archived versions of web pages in the Internet Archive Wayback Machine.

AI Content Detector - Copyleaks sends selected page text and the active tab URL to Copyleaks for AI-content detection.

Compare responses from multiple AI chatbots side by side in your browser.

Helps select, queue, sort, rename, and run multiple browser downloads.

HyperTube - ускорение Ютуба sends a persistent device ID and public IP to its proxy backend.

Open web pages in Internet Explorer tab mode inside Chrome for legacy site compatibility.

Replaces social media feeds with an inspirational quote to reduce endless scrolling.

Omega Ad Blocker fetches remote rules that can inject scriptlets and CSS across websites.

This extension opens videos in a movable, resizable picture-in-picture window.

Sets Qwant as the default search engine and helps block trackers during browsing.

Explains and summarizes research text, math, and tables with AI-assisted answers and citations.

This extension hides user-specified sites from Google and other supported search engine results.