A Guide to Creating True Cross-Browser Extensions

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Using the browser namespace will work for both Chrome extension and Firefox add-on extensions. Using the same name as the extension's manifest.json file, stick to 50 characters with the extension name. There are three types of graphics required in your extension, namely logo/icon, screenshots, and promo tiles. The next week we will discuss browser-specific logic and requirements that we will also discuss next week. We hope this post will help you create one extension that you can upload to all the extension stores.