How to build an extension for Firefox in less than 5 minutes

12 Greatest Firefox Add-ons For Developers & Designers · 1. Usersnap · 2. Web Developer · 3. User Agent Switcher · 4. Ghostery · 5. ColorZilla · 6. HTTPS ...

2023年9月12日 — Add-ons allow developers to extend and modify the functionality of Firefox. They are written using standard Web technologies - JavaScript, HTML, ...

2023年6月8日 — Extensions, or add-ons, can modify and enhance the capability of a browser. Extensions for Firefox are built using the WebExtensions API ...

Connect with thousands of developers and discover more ways you can contribute to the extension ecosystem. Learn more about the developer community ...

2023年11月12日 — Get help creating & publishing Firefox extensions.

Build extensions. It's easy to create your cross-browser extension for Firefox. Where your development journey begins depends on your skill and experience.

2009年1月28日 — In your development profile folder, you will find a folder named extensions . In it, you will have code for all your installed extensions.

2023年8月2日 — This article walks through creating an extension for Firefox, from start to finish. The extension adds a red border to any pages loaded from ...