Privacy and Security

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URLFilter

Block advertisement and access to adult sites

Rated 4 out of 5 stars (22)
1,964 users

Fetch Text URL (fix version) Requires Restart

Open text URLs from the context menu.

Rated 4 out of 5 stars (7)
430 users

Element Hiding Helper for Pan

Help you create element hiding rules for Pan to fight the text ads.

Rated 5 out of 5 stars (6)
178 users

Perspectives Requires Restart

Connect securely to https websites by checking certificates with network notaries. See http://www.perspectives-project.org

Rated 4 out of 5 stars (44)
2,308 users

Whois & Flags Firefox & Websites Popularity Rating Requires Restart

Display Country Flag indicating Website Physical Location (Country, State, City). Website Popularity (Live Visitor Statistics). Shows how many users are visiting any World Website per day. Website IP IPv6 Addresses, DNS, Hosting. IP Whois Lookup

Rated 4 out of 5 stars (19)
1,395 users

Ad-Blocker

Ad Blocker lets you block all ads, tracking & malware from the web world. It is an effective solution to browse the web without offensive and annoying ads you hate to see.

Rated 4 out of 5 stars (202)
53,166 users

RequestPolicy Sync

Sync engine for RequestPolicy.

Rated 5 out of 5 stars (3)
404 users

Certificate Patrol Requires Restart

Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.

Rated 4 out of 5 stars (68)
5,045 users

Keychain Services Integration Requires Restart

Store usernames and passwords in your Mac OS X Keychain.

Rated 4 out of 5 stars (90)
3,227 users

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.

Rated 4 out of 5 stars (44)
432 users

Modify HTTP Response

Rewrite http response body using search & replace patterns

Rated 4 out of 5 stars (6)
923 users

CustomizeGoogle Requires Restart

CustomizeGoogle enhances Google by adding information and removing unwanted information.

Rated 4 out of 5 stars (370)
1,743 users

RequestPolicy Continued

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (15)
7,339 users

µBlock

The most efficient blocker for Firefox.

No ads, no tracking, and insanely faster page loads.

Rated 4 out of 5 stars (243)
92,979 users

XML Digital Signature Tool Requires Restart

XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)

Rated 5 out of 5 stars (4)
23 users

Close Proxy Authentication Requires Restart

Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.

Rated 5 out of 5 stars (4)
1,017 users

Show Password On Input Requires Restart

Gives an option to show the master password on input

Rated 4 out of 5 stars (11)
615 users

Conspiracy Requires Restart

Shows flag/country of involved Certification Authorities (CAs) for secured pages.

Rated 5 out of 5 stars (3)
192 users

NoRedirect Requires Restart

NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.

Rated 4 out of 5 stars (55)
11,738 users

Restart Application Button

Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.

Rated 5 out of 5 stars (2)
804 users