According to Mozilla, Add-on builder includes enhanced features and ease of access.
A quick look on features:
- Web based interface to write the codes.
- Live add-on testing
- One click upgrade options for new versions of the Add-on SDK
- Publish your add-on to Firefox add-ons page directly from Development Environment
How to create an add-on using Add-on builder v1.0
- To start creating an add-on for Firefox, you need to register on Mozilla add-ons page.
- After registration visit Add-on builder page
- Reading some Add-on SDK documentation will be extremely helpful.