To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseMost Popular Extensions
Sort by:
Password Exporter
This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.
Print Preview Button and Keyboard Shortcut
Requires Restart
Adds a "Print Preview" button to the customize toolbar in Firefox.
Binds the Ctrl+Alt-Shift+P keyboard shortcut to Print Preview.
Bluhell Firewall
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
FireFTP
Requires Restart
FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
Download Status Bar
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Customizations for Adblock Plus
This extension provides various customization options for the Adblock Plus user interface.
Quick Locale Switcher
Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
Simple Locale Switcher
Requires Restart
An easier management of the user interface language
中止ボタンがサーニャに見えて困る
Requires Restart
中止ボタンがサーニャに見えます。読み込み中は目が開きます。ただそれだけです。
エイラ「中止ボタンをそんな目で見んなああああぁぁぁぁ」
Is It Compatible?
Requires Restart
**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox? Find out straight from the Addons window! **Version 0.6.0 is available from the Versions page, it was never approved by AMO**
hitsniffer visitors monitoring
Requires Restart
hitsniffer analytics is a powerful and simple to use real time visitors activity monitoring tool for your website and blog. allows you to monitor your website visitors live and get extreme useful stats data.
Diagnostics for Adblock Plus
Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.
GPO support For Firefox and Thunderbird
For work with new versions, use autoconfiguration module https://mozillagpo.sourceforge.io/
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy
To create your own collections, you must have a Mozilla Add-ons account.