Privacy & Security
Simple Steganography Requires Restart
Hide messages in PNG-32 images, extract them via context menu. The text is embedded invisibly by a "Least Significant Bit" algorithm.
You can also encode very short messages by re-sorting text lists and extract them via context menu.
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.
Perspectives Requires Restart
Connect securely to https websites by checking certificates with network notaries. See http://www.perspectives-project.org
Yet Another Remove It Permanently Requires Restart
Remove elements and block content on Web pages.
Google Privacy Requires Restart
Make some popular websites respect your privacy settings.
Please see the known issues below!
BeeFree Requires Restart
Removes tracking links from several web search engines.
Bitdefender QuickScan Requires Restart
The quickest way to find out if your computer is infected!
Bitdefender QuickScan is a very fast antivirus scanner, able to determine in a matter of seconds if a system is infected with malware.
More on http://quickscan.bitdefender.com/faq
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.
Restrict Proxy by Private Windows, Tabs and Domain List
YesScript Requires Restart
Set most common Firefox user-agent and window.navigator values.
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Enigma-code Requires Restart
Proste i szybkie szyfrowanie korespondencji e-mail, jak i dowolnego tekstu. Algorytm szyfrowania oparty na sposobie szyfrowania maszyny Enigma.
WebPG for Mozilla Requires Restart
An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey
Password Tags Requires Restart
Adds metadata and sortable tags to the password manager.
Trueblock Plus Requires Restart
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
Prevent accidental interaction with tab contents
Gmail S/MIME Requires Restart
Send and receive signed and encrypted messages in Gmail.
Remember Mismatched Domains Requires Restart
The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...
Conspiracy Requires Restart
Shows flag/country of involved Certification Authorities (CAs) for secured pages.