Privacy and Security

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Adblock Plus No Restart Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,837)
1,465,610 weekly downloads

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

**This addon will be discontinued on June 2015**

Rated 5 out of 5 stars (261)
60,209 weekly downloads

Bluhell Firewall No Restart

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (219)
14,826 weekly downloads

Password Exporter

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Rated 4 out of 5 stars (303)
7,279 weekly downloads

Enigmail Featured

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Rated 4 out of 5 stars (180)
6,323 weekly downloads

Saved Password Editor

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (190)
3,012 weekly downloads

Dr.Web LinkChecker

This plugin allows you to check any file you are about to download, any page you are about to visit with online version of Dr.Web anti-virus.

Rated 4 out of 5 stars (91)
2,332 weekly downloads

Mail Merge Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (133)
2,139 weekly downloads

FoxyProxy Basic

FoxyProxy Basic is a simple on/off proxy switcher. More advanced features and configuration options are offered by FoxyProxy Standard.

Rated 4 out of 5 stars (27)
2,062 weekly downloads

Silent Block

Minimum and fast URL blocker by regular expression.

Rated 5 out of 5 stars (17)
1,581 weekly downloads

Master Password+

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

Rated 4 out of 5 stars (109)
1,571 weekly downloads

Customizations for Adblock Plus No Restart

This extension provides various customization options for the Adblock Plus user interface.

Rated 5 out of 5 stars (11)
1,410 weekly downloads

CookieKeeper No Restart

Extended Cookie Manager - Keep only wanted cookies.

Rated 4 out of 5 stars (36)
1,284 weekly downloads

Change Referer Button

Button in the toolbar/status bar to change referer value.

Rated 5 out of 5 stars (20)
1,173 weekly downloads

ShowIP

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (282)
1,107 weekly downloads

Confirm-Address

Confirm E-mail address before sending mail

Rated 4 out of 5 stars (26)
877 weekly downloads

Pan No Restart

Block ads and manage proxy.

Rated 5 out of 5 stars (38)
696 weekly downloads

StartupMaster No Restart

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

Rated 4 out of 5 stars (203)
659 weekly downloads

GProxy Tool

GProxy lets you set and clear GPass local proxy in Firefox and Thunderbird, and do more.

Rated 4 out of 5 stars (7)
549 weekly downloads

Password Tags

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (5)
504 weekly downloads