Microsoft Edge Developer website - Microsoft Edge Developer

The new Microsoft Edge is here and now available to download on all supported versions of Windows, macOS, iOS and Android. Get it today!

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It’s built on Chromium and provides the best-in-class extension and web compatibility. View our resources to learn how to begin and get your extensions on to the Microsoft Edge Add-ons website.

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Want to see what we’re working on next? Check out the Microsoft Edge Insider channels to try the latest features and improvements in development. Download now and join our community. We look forward to your feedback and ideas!

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Web Platform

Extensions
Elevate the browsing experience by customizing it with extensions.
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PWA
Enhance existing websites with native app-like experiences.
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Tools
Debug and automate the browser using powerful tools for web developers.
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WebView2
Embed web content (HTML, CSS, JavaScript) in your native applications.
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What's New

Reducing distractions with quiet notification requests

Beginning with Microsoft Edge 84, we’re introducing support for a new notification request experience called quiet notification requests.

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Introducing the Storage Access API

Today, we’re excited to announce the “first-look” rollout of the Storage Access API in our Canary and Dev channels

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Microsoft Edge: What’s New for Web Developers

Hear the latest updates on Microsoft Edge & Chromium for developers including DevTools, PWAs, new platform features, and more.

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Unminifying function names in DevTools performance profiles

Microsoft Edge Team

Starting in Microsoft Edge version 99, you can use the new “Unminify profile” button in the Performance tool to download an unminified profile using your published sourcemaps. Opening this file in the Performance tool will provide you with easier-to-debug call stacks with better function names.

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Test IE mode in Microsoft Edge with Internet Explorer Driver

Microsoft Edge Team

In collaboration with our friends in the Selenium project, the Microsoft Edge team is excited to announce that you can now test Internet Explorer mode in Microsoft Edge with Internet Explorer Driver. With just a few changes to an existing test that runs against Internet Explorer, you can get your tests running in Internet Explorer (IE) mode in Edge. By running your tests in IE mode, you will be able to verify that any legacy web content that runs in Internet Explorer will work as expected in IE mode in Microsoft Edge.

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