Pengaya

DownThemAll! oleh Nils Maier, Federico Parodi, lainnya

The first and only download manager/accelerator built inside Firefox!

Catatan Kolektor Firefox專用多線程下載擴充套件。

Session Manager oleh Michael Kraft

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Catatan Kolektor 讓Firefox原本的回復瀏覽頁面功能更加強大，能夠隨意儲存多組分頁，也可以選擇性回復。

Speed Dial oleh Josep del Rio

Direct access to your most visited websites

Catatan Kolektor 把常用網站放到首頁、空白分頁，利用九宮格的版面讓你快速啟動常用網頁、程式捷徑，還具備了分類管理等附加功能。

Thumbnail Zoom Plus oleh David Adler

Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.

Private Tab oleh Infocatcher

Adds private tabs.

Google Docs Viewer (PDF, DOCX, PPTX, XLSX, etc...) oleh Adon

View publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.

Firesizer oleh orev

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

AutoPager oleh Wind Li

AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.

Catatan Kolektor 自動翻頁，幾乎可以適用在所有網站。

TryAgain oleh Paul Lammertsma, Mathijs

TryAgain keeps trying to load a webpage when the server cannot be reached.

Catatan Kolektor 遇到無法載入的網頁時，自動幫你重試，或是自動幫你檢查網站有沒有問題。

FfChrome oleh Shivanand Sharma

FfChrome is a nifty little addon that slims and trims your context menu on the fly for simplicity, ease of use, easy access and eliminates the clutter. One addon that makes your day-to-day life easier by increasing productivity.