Browser extensions starting with M

Microsoft Bing Search & News sends Bing MUID cookie and device telemetry to g.ceipmsn.com over HTTP.

Displays Mixpanel analytics events in real time inside Chrome DevTools.

This extension sets Chrome’s New Tab search to a minimal web search page.

Improves the Boosty interface with layout and media playback controls.

Moss sends the current page URL, referrer, and stable analytics IDs to ai.moss.site during extension UI interactions.

Mouse Gesture lets page events trigger its all-sites content script to close the current tab.

MultiPass for HTTP basic authentication replays saved HTTP-auth credentials for matching sites across all URLs.

MusicTab Default Search sends default search and suggestion queries to music-tab.com.

Muslim Board sends your location or selected city with a persistent browser ID to its prayer-time API.

This extension loads a mutation events polyfill on web pages to help older page code keep working in Chrome.

Adds products from online shops to a My Wishlist account with a toolbar button or right-click menu.

MyWallPaper fetches the user's public IP address from ident.me over cleartext HTTP on the new tab page.

The extension sends visited site hostnames from browser tabs to rdtds.net when remote config enables tracking.

Adds in-browser developer panels for inspecting webpages, resources, network activity, performance, storage, and console logs.

MD-Staff Verification Print & Upload captures the active tab and inserts it into the configured MD-Staff upload page.

Converts MKV video files to MP4 from a browser-based tool.

MS Edge TTS (Text to Speech) sends selected text to tts.webextools.com to generate spoken audio.

MahjongSoul Review Supporter fills third-party analysis forms with selected Mahjong Soul game records.

Automatically groups Chrome tabs by domain and sorts them alphabetically.

Edit and preview Markdown with GitHub-flavored formatting in the browser.

Mavely Link Creator sends authenticated profile details to Segment analytics from its popup.

Adds countdown timers and agenda subtimers to Google Meet meetings.

Meltwater Extension lets any website open its extension page and send your active tab URL to Meltwater APIs.

MemeRadar reads DEX and X.com API responses and sends wallet addresses and screen names to ChainInsight.

MercadoLibre Herramientas con IA lets any website request fee estimates using stored MercadoLibre user IDs.

This extension uses hotkeys to help fill Merch by Amazon listing colors and product information.

Metricool opens shared page details, selected text, or image URLs in Metricool's post planner when you choose to share.

This extension identifies and understands webpage content so users can chat with the current page.

Microsoft Copilot Sidepanel - Tabbee removes frame-blocking headers so Copilot can load inside its side panel.

Minecraft Wallpaper sends Chrome top-sites URLs to Google's favicon service on each new-tab page.

Customizes the new tab page with backgrounds, widgets, and personal display options.

Mitel Web Extension sends click and session analytics for phone links it adds on webpages to AWS Pinpoint.

This extension gives websites a thin, modern scrollbar that works with many dark-mode designs.

Movie Stream Tab sends your Chrome top-sites URLs to Google's favicon service on its new-tab page.

Add local subtitle files to videos on many streaming platforms.

Multi-Agent Link Converter Plugin by OGNews redirects shopping product pages to selected agent affiliate URLs.

Music mixer DJMusic sends a persistent Redcoolmedia user ID to stream.redcoolmedia.net during tab activity.

Previews Markdown files from web links and local file URLs in Firefox.

Messenger Cleaner sends the email address entered in its payment gate to a MassUnfriender Cloud Function.

MMZap sends WhatsApp Web account identifiers and incoming message content to GrowSoft and runs its API responses in the page.

Mailto: Set Default Email to Gmail by cloudHQ sends Gmail account addresses to www.cloudhq.net during its pre-user check.

Adds Japanese subtitles, word lookups, quizzes, and flashcards to anime on Crunchyroll and Netflix.

Play a lightweight offline 3D chess game from the Chrome toolbar.

MeTube Downloader sends selected YouTube links or the active tab URL to the user's configured MeTube server.

Provides a scientific calculator popup with visible binary operations and touch-friendly controls.

MindYourPass Password Firewall hashes passwords typed on any site and sends the hash and page URL to its own backend for policy checks.

This extension provides a minimal, dopamine-free YouTube experience.

Missing Shop sends unresolved website hostnames from failed top-frame navigations to missing-shop.com.

More Than 10 Shortcuts sends shortcut domains you enter to Google's favicon service.

Motorwatch - car price tracker sends vehicle marketplace search parameters to Google Analytics with a persistent client ID.

Adds funny visual effects when you click the mouse.

This extension adds configurable interface and quality-of-life upgrades to mousehuntgame.com.

Move It loads a CloudNouns image in each exercise reminder tab, sending the request to api.cloudnouns.com.

Save diary entries, moods, and web snippets locally in your browser for offline journaling.

My Hero Academia Anime Wallpaper sends Chrome top-sites URLs to Google's favicon service on the new tab page.

NimbusMind sends passcode recovery emails and unlock codes to livestartpage.com over cleartext HTTP.

Renders Markdown files as formatted HTML directly in the browser.

Milanote Web Clipper lets allowed web pages request Milanote account state through its background bridge.

Adds MP3 download links beneath SoundCloud tracks.