All extensions

The MicroKit extension

MiroFish - AI Simulation Chat

AI Simulation Chat for Scenario Prediction — transform text into prediction workflows with multi-agent simulation.

Mixpanel Events Logger

Intercept Mixpanel events

Mizaru

Toggle Jira ticket comment visibility

Mock Location

DevTools の Sensors と同じ仕組みで、Chrome の位置情報を地図上で指定した座標・路線に上書きする開発用拡張機能

MockAPI

A browser extension for intercepting, mocking, and managing web API requests to improve frontend development and testing efficiency.

Modern CSS Unit Converter

Premium CSS unit converter for PX, VW, VH, %, REM, and EM. Features smart presets, dark mode, and instant bidirectional conversion.

Modify HTTP Headers & CORS Unblock — HeaderForge

Modify request & response headers, unblock CORS, block or redirect requests, and see which rule fired. Local-only, no tracking.

Mody - Modify HTTP Headers

Modify request & response headers, redirect URLs and tweak CSP. Multiple profiles, filters, and Chrome sync. No tracking.

Monkbrowse

Automate your logged-in Chrome from any MCP client — one profile per port, many tabs.

More package managers in npmjs.com

Adds yarn and pnpm commands next to the npm command; adds dev dependency switch

Motion Tuner

페이지의 CSS transition / animation 을 실시간으로 조절하고 CSS 코드로 내보냅니다.

Mr. Network

𝗘𝗗𝗜𝗧 𝗕𝗢𝗗𝗬 𝗕𝗘𝗙𝗢𝗥𝗘 𝗦𝗘𝗡𝗗𝗜𝗡𝗚!

Multi Device Simulator — Mobile Responsive Testing & Recording

Preview and record any site on up to four mobile devices at once — real phone and tablet viewports, scrolling together.

MultiShot

Capture screenshots at multiple device sizes with one click

MurmAds — Meta Ad Library spy panel

Reads Meta's own EU spend and reach disclosures on the Ad Library page as ranges, never as invented figures. Plus scaling signals.

MurmStack — Tech Stack & Third-Party Detector

See what any website is built with — and exactly which companies it contacts before you can consent. Free, private, one click.

MyCSS

아무 페이지에서나 CSS를 적용할 수 있도록 도와주는 확장 프로그램입니다. It makes you set your CSS code on any page

Mycelium Autofill

Автозаполнение паролей и 2FA из узлов Mycelium. Работает без Desktop.

N-Styler

Inject custom CSS and JavaScript into web pages

Nave: Kaiten card titles

Shows Kaiten card titles next to Kaiten links inside Nave.

Naver Auto Draft Helper

RSS 글감을 네이버 블로그용 제목/본문으로 재구성하고 임시저장 흐름을 단축합니다.

Network HAR Recorder

Record active tab network traffic, export HAR as ZIP, view and replay GraphQL requests

Network Tracker

Track and monitor network requests (fetch/XHR) on any page with customizable rules.