{% extends "devhub/base_impala.html" %} {% macro docs_ul(docs) %}
{% trans %} Add-ons let millions of Firefox users enhance and customize their browsing experience. If you're a Web developer and know HTML, JavaScript and CSS, you already have what it takes to make great add-ons with Add-on Builder and the Add-on SDK. What's more, add-ons built with these tools are restartless by default. {% endtrans %}