Make Microsoft Edge your own with extensions and themes that help you personalise the browser and be more productive.

Meeting scheduling and email management tool trusted by millions. Schedule meetings, track responses, send later, and more. Get notifications, read, listen to or delete emails without opening …

Download Firefox Extensions to add features that customize browsing. Protect passwords, find deals, enhance video, and block annoying ads with browser apps.

Learn why Extensions are so powerful and how you can customize Chrome's browsing to your needs. Explore a variety of ways to add interactions to your extension. Explore ways to customize and react …

Learn how to add, turn off, or remove extensions in Microsoft Edge.

You can customize Chrome on your desktop by adding extensions from the Chrome Web Store. Install an extension Important: You can't add extensions when you browse in Incognito mode or as a...

Search bookmarks quickly and easily, with a search popup, which can be opened by a click on the extension logo (or by cmd+E/ctrl+W). Get notifications, read, listen to or delete emails without...

Start here to create an extension for Microsoft Edge and publish it to Microsoft Edge Add-ons. Learn how we've improved our developer resources and processes so it's easier than ever to publish new …

Learn to publish your first extension and how to fill out all the information required to distribute on the Chrome Web Store. Use the privacy practices tab to help the Chrome Web Store team review your …

If you are building the extension for yourself, check out our getting started tutorial. If you want to publish to the Chrome Web Store, there are a few things you need to know first.