Search Results for tag "security"

Tamper Data Requires Restart

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Rated 4 out of 5 stars (294)
48,968 users

YesScript Requires Restart

A JavaScript blacklist

Rated 4 out of 5 stars (225)
37,256 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

Rated 4 out of 5 stars (64)
29,306 users

HackBar Requires Restart

Simple security audit / Penetration test tool.

Rated 4 out of 5 stars (96)
18,050 users

RequestPolicy Requires Restart

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 (214)
14,732 users

View Cookies Requires Restart

It adds a tab to the Page Info dialog box, which shows the cookies belonging to the current page. View Cookies will not be rewritten as a WebExtension and might stop working with a new Firefox release.

Rated 4 out of 5 stars (52)
14,499 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 (78)
9,637 users

Webutation - Reputation & Security

Would you like to know which websites are safe and which website you can trust?
The Webutation add-on shows you the reputation of a site with a simple green/yellow/red icon and scans websites against virus and bad userfeedback. Works similar to WOT.

Rated 3 out of 5 stars (59)
6,356 users

Porn Blocker

Blocks access to websites with adult content. The easiest way to protect your children and your family against porn.

Rated 4 out of 5 stars (90)
5,216 users

TrackerBlock Requires Restart

Complete control over online tracking using multiple methods, including cookie blocking, persistent opt-out cookies, Flash and HTML5 control, and Do Not Track signals. Visit us to learn more:

Rated 3 out of 5 stars (48)
5,129 users

VTzilla Requires Restart

Right-click on any link and scan the target with VirusTotal, scan your downloads with VirusTotal before storing them in your PC, free and easy. More information at:

Rated 4 out of 5 stars (27)
4,303 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)
3,912 users

MaskMe: Online Privacy Protection Requires Restart


Rated 4 out of 5 stars (129)
3,806 users

AdvertBan Requires Restart

Blocks ads, popups, cookie trackers and spyware on the web, including ads on Facebook, Gmail, Youtube, Google Search and popular news sites. Works faster than competing addons. Extremely simple and light, so even your grandma can deal with AdvertBan

Rated 3 out of 5 stars (71)
3,736 users

AVG Do Not Track Requires Restart

Enhance your online internet privacy, protection and security with AVG Do Not Track! See which websites, applications and Ad Networks are tracking your information (using cookie technology) and choose whether or not to allow it.

Rated 3 out of 5 stars (8)
3,664 users

DNSSEC/TLSA Validator Requires Restart

DNSSEC/TLSA Validator is a web browser add-on which allows you to check the existence and validity of DNSSEC records and TLSA records related to domain names.

Rated 4 out of 5 stars (45)
3,572 users

CensureBlock Requires Restart

This addon blocks sites containing pornographic materials.

Rated 3 out of 5 stars (76)
3,057 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)
2,662 users

Locationbar² Requires Restart

More than a textbox.

Rated 4 out of 5 stars (247)
2,596 users

GoogleSharing Requires Restart

GoogleSharing helps prevent Google from tracking your searches and web activity.

Keep your personal info private on the web with new & powerful privacy tool, MaskMe.

Rated 4 out of 5 stars (116)
2,448 users