Security Pack (selected)

by mohamjon

22 Add-ons in this Collection

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 336 reviews

160 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

StartupMaster by htamas

Rated 4 out of 5 stars 309 reviews

188 users

Asks for the master password at startup (fixes multiple password prompt)

RequestPolicy by Justin Samuel

Rated 4 out of 5 stars 215 reviews

9 users

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.

TrayHotKey by zbinlin

Rated 5 out of 5 stars 64 reviews

2 users

为Fx5.0 及以上版本提供系统热键(老板键)功能
Collector's Note better than other bosskey like addons

Master Password+ by V@no

Rated 4 out of 5 stars 186 reviews

199 users

Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows

RefControl by James Abbatiello

Rated 4 out of 5 stars 180 reviews

19 users

Control what gets sent as the HTTP Referer on a per-site basis.

YesScript by Jason Barnabe, Andras Horvath

Rated 4 out of 5 stars 225 reviews

35 users

A JavaScript blacklist

Private Tab by Infocatcher

Rated 5 out of 5 stars 312 reviews

74 users

Adds private tabs.

WorldIP - Geo Add-on with Security Features by Alrond

Rated 5 out of 5 stars 124 reviews

19 users

Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter

Silent Block by Schuzak

Rated 4 out of 5 stars 31 reviews

72 users

Minimum and fast URL blocker.

QuickPasswords by Realraven (Axel Grude)

Rated 5 out of 5 stars 53 reviews

35 users

Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.

Now also includes SSO change (multi-domain pw) and Backup + Restore.

Certificate Patrol by Carlo v. Loesch, tg(x), others

Rated 4 out of 5 stars 68 reviews

4 users

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.

Google Privacy by Herrminator

Rated 4 out of 5 stars 33 reviews

25 users

Make some popular websites respect your privacy settings.
Please see the known issues below!

URLFilter by Vasiliy Temnikov

Rated 4 out of 5 stars 23 reviews

17 users

Block advertisement and access to adult sites

Fox Web Security by Oleksandr

Rated 5 out of 5 stars 29 reviews

2 users

Protection from adult content (parental control) and from dangerous sites.
Entrust protection for yourself and your children to professionals!
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