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 (4,207)
1,185,734 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 or bribes...

Rated 5 out of 5 stars (161)
57,469 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 (109)
18,695 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 (272)
7,557 weekly downloads

Enigmail Featured

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Rated 4 out of 5 stars (155)
4,824 weekly downloads

Saved Password Editor

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

Rated 5 out of 5 stars (160)
4,416 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 (23)
2,458 weekly downloads

ShowIP

Show the IP address(es) of the current page in the status bar. It also allows querying custom information services by IP (right click) and hostname (left click), like whois, netcraft, etc. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (208)
2,391 weekly downloads

Customizations for Adblock Plus No Restart

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

Rated 4 out of 5 stars (12)
2,333 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 (79)
1,803 weekly downloads

Mail Merge Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (110)
1,736 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 (85)
1,585 weekly downloads

Silent Block

Minimum and fast URL blocking by regular expressions.

Rated 5 out of 5 stars (15)
812 weekly downloads

Confirm-Address

Confirm E-mail address before sending mail

Rated 5 out of 5 stars (23)
781 weekly downloads

Certificate Patrol

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 (58)
663 weekly downloads

Password Tags

Adds metadata and sortable tags to the password manager.

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

StartupMaster No Restart

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

Rated 4 out of 5 stars (185)
587 weekly downloads

Check and Send

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (18)
391 weekly downloads

TrayHotKey

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 (38)
373 weekly downloads

Copy Folder

The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.

Rated 3 out of 5 stars (16)
364 weekly downloads