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Extension List Dumper Requires Restart

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 4 out of 5 stars (123)
36 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)
30 users

Show Password On Input Requires Restart

Gives an option to show the master password on input

Rated 4 out of 5 stars (11)
29 users

techblocker

Search with Joy! Block Ads While Surfing!

Rated 5 out of 5 stars (3)
27 users

Password Tags Requires Restart

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (15)
26 users

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 4 out of 5 stars (31)
26 users

safeSERP Requires Restart

Prevents Google and Yandex from obfuscating and hijacking links in SERP.
Allows to copy/paste *direct* links from Google/Yandex search results instead of redirects.

Rated 4 out of 5 stars (3)
20 users

KeePass Helper Requires Restart

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (40)
19 users

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (149)
19 users

TrayHotKey Requires Restart

为Fx5.0 及以上版本提供系统热键(老板键)功能

Rated 5 out of 5 stars (64)
19 users

CensureBlock Requires Restart

This addon blocks sites containing pornographic materials.

Rated 3 out of 5 stars (76)
19 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 (92)
17 users

Redirect Bypasser

Avoid redirects and has direct access to the sites you want to visit.

Rated 4 out of 5 stars (55)
17 users

CS Lite Mod Requires Restart

CS Lite allows you to set the permission of the cookie every domain from toolbar.

Rated 4 out of 5 stars (42)
15 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)
14 users

View Your Certificates Email Address

Adds a column for displaying the certificates Email address to the "Your Certificates" tab of the Certificate Manager

Rated 5 out of 5 stars (5)
14 users

MyAdFilter

With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.

Not yet rated
12 users

Modify HTTP Response

Rewrite http response body using search & replace patterns

Rated 5 out of 5 stars (8)
12 users

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

Rated 4 out of 5 stars (64)
11 users

TotalSpoof

Set most common Firefox user-agent and window.navigator values.

Rated 3 out of 5 stars (5)
11 users