Browser extensions starting with M

MediaTools finds HLS and DASH streams and lets its own web app make cross-origin fetches through the extension.

Minimal Theme for Twitter / X sends user-clicked Twitter/X draft text to Typefully in a new URL.

Mo'Kick fetches unversioned CSS from a GitHub Gist on every kick.com page load without integrity verification.

Monosearch reads Amazon product and seller data from pages you view and forwards it to the vendor's mnsearch.com and mnrate.com backends.

Create and collaborate on wireframes, mockups, diagrams, and prototypes in a web app.

This extension forwards multiple emails through the Gmail website.

Highlights user-specified words on webpages with configurable colors and search options.

This extension connects your browser to The Open Network for crypto storage, transfers, staking, and payments.

MyIPCam sends activation codes to myipcamapp.net over unencrypted HTTP and contains a hardcoded offline bypass key.

Mystique Search sets itself as the default search engine and routes all browser searches to mystiquestudio.net.

SEO Extension by Mangools sends the current tab URL to Google PageSpeed and Rollbar using hardcoded API keys embedded in the extension.

Scrolling Screenshot Full Page uploads screenshots to markuphero.com and accepts screenshot requests from markuphero.com pages.

Opens MOBI and Kindle ebook files from links or local files in the browser.

Manga Translator sends a device fingerprint and base64-encoded image data to ichigoreader.com with every translation request.

Looks up and translates Japanese words and selected sentences while you browse.

Meditation Search loads a remote S3 page each time you open its new-tab page.

Melhor Câmbio displays a static currency placeholder and redirects users to install the Nomad Global extension.

Write and save notes in Chrome with offline access and optional cloud sync.

This extension lets users join MeshChain’s browser-based compute network and mine MCC tokens.

Links an ARC Raiders account with MetaForge.app to track in-game progress.

Minea reads Facebook profile data (ID, name, city, birthday, gender) while browsing the Ads Library and sends it to data.minea.com.

My Focal Find sets itself as the default search engine and tags every search you type with a persistent per-install ID.

This extension keeps MyRegistry gift recipient shipping details available during merchant checkout.

mail.com MailCheck scans open tab URLs at install to capture affiliate codes and sends account and install data to go.mail.com on uninstall.

Manuals Hunt and Search overrides the default search engine to Yahoo with undisclosed affiliate tracking parameters on every search.

Map Route Pro and Search relays search queries and inferred location to its servers and replaces your default search engine with Yahoo.

Replaces your new tab with a customizable dashboard for focus, tasks, shortcuts, weather, and inspiration.

MONKNOW New Tab looks up your public IP address to infer your weather location.

MP3 Downloader scans every webpage for audio file links and lets users download them directly from the popup.

Draw and annotate pages with translucent pen, shape, text, eraser, undo, and redo tools.

Magnifying Glass for Google Chrome places a screenshot of the current tab into the page DOM after you click it.

MapQuest Directions transmits each search query in real time to its servers and injects server-controlled HTML into every new tab page.

Maps & Driving Directions fetches remote HTML from its own server and injects it into the new tab page without sanitization.

This extension clips webpages or selected text into clean Markdown for copying, downloading, previewing, and local saving.

Measuremate sends license keys and email addresses over unencrypted HTTP to a bare IP address.

Download Instagram photos, videos, Stories, and Reels from the browser.

Meeting Scheduler for Gmail lists every signed-in Google account email and posts the list to cloudHQ.

Plays random or selected meme sounds from a library of over 1000 clips.

Provides a clean meme soundboard with playback tools for speed, looping, favorites, and queues.

Merges all currently open browser windows into a single window.

MergeMail reads Gmail compose content — body, subject, and all recipients — and sends it to mergemail.co before each email is sent.

Miden Wallet injects a wallet API into HTTPS pages and syncs state with the Miden testnet every 30 seconds.

Lets you operate web pages by describing actions in natural language.

This extension replaces Chrome’s new tab page with a Minecraft-themed experience.

Practice Solana and BNB meme coin trading with virtual money in a risk-free simulation.

Imports AliExpress products into Modalyst for dropshipping store management.

Monosnap sends a periodic telemetry ping to its analytics server that includes the user's configured Amazon S3 base URL.

Improves the Boosty interface with video, audio, stream, and layout controls.

Multimedia Search overrides the default search engine to browsingsafety.net and sends all address-bar queries with an affiliate tracking ID.

Multiversity LockDown Browser transmits student name, username, and exam identifiers to a proctoring server and disables all other extensions during exam sessions.

Shows detailed IP address, ISP, domain, routing, and location information.

View .eml and .msg email files in the browser without needing Outlook or separate software.

Myibidder Auction Bid Sniper for eBay sends the current eBay page URL to Myibidder when you click its added controls.

Downloads video, audio, and streaming media from many websites for offline use.