Collections by Firefox user 1f8be4
Opera in Firefox by Firefox user 1f8be4
Add-ons that add into Firefox features that are similar to those of Opera 12, Opera or Vivaldi, and/or even enhanced.
Create a New Collection
Collections make it easy to keep track of favorite add-ons and share your perfectly customized browser with others.
Create a CollectionTo create your own collections, you must have a Mozilla Add-ons account.