Let’s make an addon!

Addons are really .zip files with a special set of files:

• chrome.manifest - describes the contents
• install.rdf - Addon metadata

Content

Put the content in a content directory.

It uses a .xul file to tell it:

• Which files to use
• The order to load them in
• Specification for new toolbar buttons

JS Content

Implement the actual features

Packaging it up

zip is your friend

Submission

• Upload the .xpi
• Tag with the license
• Submit any deobfuscated/pre-generation code