From Electron Cloud
Can't live without these!
| Use case | extension | installer |
|---|---|---|
| Automatically block ads (duh) | Adblock Plus | install |
| double-click a foreign word to translate, alt-click a phrase | BabelFish | install |
| for uploading multiple images to a web album or print service | DragDropUpload | install |
| sync bookmarks across computers | FoxMarks | install |
| select and remove anything (that adblock didn't already get!) from any web page | Nuke Anything Enhanced | install |
| make up secure random passwords you don't have to remember | PasswordMaker | install |
| powerful, extensible command line for the web | Ubiquity | install |
| reload tabs periodically, show tabs that have changed, etc. etc. | [1] |