To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
LukkWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
LukkSamlinger
Samlinger er grupper av relaterte utvidelser som hvem som helst kan lage og dele. Utforsk samlinger laget av andre brukere eller lag din egen.
Privacy Matters
How do you protect and manage your privacy online? The add-ons in this collection are designed to help give you more control of your personal information.
Framework DevTools
These add-ons extend the powerful capabilities of the Firefox Developer Tools that are already part of the browser.
To create your own collections, you must have a Mozilla Add-ons account.