Privacy and Security

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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 5 out of 5 stars (14)
4,259 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 (49)
14,032 users

NoScript Security Suite Requires Restart Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,576)
2,035,271 users

OnlyMySites Requires Restart

Allows access only to my sites.

Rated 5 out of 5 stars (1)
19 users

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (92)
4,329 users

PasswordMaker Requires Restart

One Password To Rule Them All!

Rated 4 out of 5 stars (55)
2,652 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)
4,651 users

PhishTank SiteChecker Classic Mod Requires Restart

PhishTank SiteChecker is an advanced Phishing Protection extension that uses data from PhishTank.com to determine if a site is a phishing site or not. If it is, it will block the site and protect you from the site

Rated 2 out of 5 stars (2)
1 user

PrefBar Requires Restart

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Rated 5 out of 5 stars (39)
15,198 users

PrivaConf

Automatically apply settings recommended by security and privacy experts.

Rated 3 out of 5 stars (1)
578 users

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (221)
66,983 users

Proxy Tool Requires Restart

Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co

Rated 4 out of 5 stars (40)
41,943 users

QuickPasswords Requires Restart

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.

Rated 5 out of 5 stars (48)
5,830 users

Redirect Bypasser

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

Rated 4 out of 5 stars (36)
10,797 users

RefControl Requires Restart

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

Rated 4 out of 5 stars (185)
75,093 users

ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

Not yet rated
7 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 (230)
81,764 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 (4)
7,825 users

RequestPolicy Sync

Sync engine for RequestPolicy.

Rated 5 out of 5 stars (3)
1,030 users

RequestPolicy v0.5 Legacy 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 3 out of 5 stars (5)
1,577 users