Browser extensions starting with M

Meta Automator registers signed-in users in Firestore with a persistent session ID and device/browser details.

Minecraft Live Wallpaper sends custom shortcut URLs to Google's favicon service when rendering the new-tab page.

Minera Ads sends scraped Facebook Ads Library ad-card content and the user's Minera token to MineraROI endpoints.

Minimal New Tab sends your location coordinates to weather and mapping services for its new-tab weather widget.

Mobile Friendly Test sends the tested page URL to Google PageSpeed with an embedded API key.

ModHeader records request and response header metadata locally for all URLs when its side-ball UI is enabled.

Modelpress Image Downloader sends the active tab's site domain and a persistent user ID to Google Analytics during popup and download actions.

MoodleGPT sends Moodle quiz questions and answer fields to an OpenAI-compatible chat-completions endpoint.

MyParcels Service Extension sends discovered parcel tracking numbers from supported shopping and postal pages to myparcels.ru.

musescore-downloader uses bundled Musescore API tokens to request score files from musescore.com.

This extension helps monitor and protect sensitive data movement on endpoint devices.

MagicCast sends selected video and tab metadata to a hardcoded plaintext HTTP endpoint.

Mind the Time records each active HTTP/HTTPS site domain and time spent in local browser storage.

MOCO Zeiterfassung accepts unsigned embedded-page messages that can submit MOCO activity data through the extension.

MP Manager sends a Wildberries bearer token from local storage to api.mpmgr.ru for account authorization.

MagicLinks sends Google search result URLs for partner domains to a.chipp.us with account identifiers.

MajesticChrome sends selected forum profile IDs to admin.alcor.dev when you open its user information panel.

Make it tool Extension sends extension event data with a stored client ID to Google Analytics.

Manga Translator sends manga screenshots and reading progress to manga.savev.co.

Mark My Search sends user-submitted feedback with the active tab URL and saved search phrases to EmailJS.

Marketplace Dropshipping Helper sends marketplace order and customer details to AutoDS servers.

MasterCook stores remembered account passwords in local storage using reversible AES with a hardcoded key.

Meet Chat Notifier mirrors Google Meet chat sender names and message text into local desktop notifications.

Megi saves prompt text from supported AI chat pages into local extension storage for its side-panel organizer.

Memos sends bearer tokens and memo data to a user-configured Memos API URL, including over HTTP if that URL is used.

Menu fish opens configured search or share pages with selected text, page URLs, titles, image URLs, or link URLs.

Mercado Livre TrueSort fetches affiliate-link rules from bembarato.org and rewrites matching links on pages you visit.

MerchFlow for Merch by Amazon sends stored license keys and account identifiers to its analytics servers.

Mermaid Diagram sends selected page text to mermaiddiagram.app to generate diagrams.

Minecraft Unblocked: Minecraft Online Free routes browser traffic through hardcoded gen4.ninja proxy nodes when enabled.

Mock:Intercept and directly return data exposes saved mock rules to every page and lets page messages change request hooks.

ModernLoop Extension can send ATS page details to a base URL set by allowed external pages.

Motion - Ship more winning ads sends logged-in account and organization details to Segment analytics.

Motivate Clock sends active tab URLs and page titles to its local time-tracking service.

Motorcycles Wallpaper sends searches typed on its new tab page to lsrcunow.com.

Music Storm captures the active tab's audio after a toolbar click for local visualization.

My Custom Sports sends top-site hostnames to Google's favicon service when its new-tab page loads.

My Dog Tab sends searches typed on its new tab page to mydogtab.com.

My Web Audit uploads search-result business URLs and company details after the user starts lead extraction.

MyPicture for Netflix opens its survey page with a persistent extension-generated user identifier.

MyTravel Tab sends IP-derived location to its weather service and routes new-tab searches with stored identifiers.

multiAccounts modifies subframe headers to remove CSP and X-Frame-Options after site access is granted.

Replaces selected Microsoft-related words and phrases on webpages with joke alternatives.

Email Extractor collects email addresses from visited pages and sends batches to mailshunt.com.

Meta4 ClickOnce Launcher forwards HTTP and HTTPS .application URLs to its native ClickOnce helper.

Magnifying Glass (Hover Zoom) places a captured screenshot of the visible tab into the current page DOM.

Myibidder Auction Bid Sniper for eBay sends user-selected eBay listing and search item details to Myibidder.

Mes recettes de cuisine sends Google search keywords to tgcuisine.azurewebsites.net after a page-set consent flag is enabled.

Mobile Dyslexic exposes its extension runtime ID in the page DOM on every visited website.

MHCT MouseHunt Helper sends MouseHunt hunt records and crown counts to MHCT and Google Apps Script endpoints.

MZFy sends Amazon product-page views with the logged-in user ID to MZHub's product analyzer API.

Macify sends optional weather keys and city to WeatherAPI over HTTP and sends top-site origins to Google's favicon service.

Madara Uchiha (Naruto) Live Wallpaper requests Google favicons for user-added new-tab shortcuts.

MagickPen - ChatGPT Writing Assistant sends requests to api.magickpen.com with reusable signing secrets in its bundle.

Magnifying Glass places captured screenshots into the page DOM when a user activates its magnifier.

MailMagic reads Gmail thread bodies when you open a conversation and sends the content to app.mailmagic.ai.

Manage LocalStorage copies the active tab's localStorage into extension state and the clipboard when the user exports it.

Manga Downloader Assistant copies the active site's cookies and browser user agent to the system clipboard.

Maps Hub Search reports Yahoo search-result activity to newtabtools.com with a persistent extension alias.

Marble sends your OS and IP-derived location to its Cloud Function when installed or updated.