Privacy and Security

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AdNauseam

Fight back against advertising surveillance

Rated 4 out of 5 stars (26)
17,913 users

GProxy Plus Requires Restart

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

Not yet rated
2,854 users

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (98)
5,081 users

TrayHotKey Requires Restart

为Fx5.0 及以上版本提供系统热键(老板键)功能

Rated 4 out of 5 stars (58)
2,832 users

B-Trust Tool NEW

Configures B-Trust security devices, imports B-Trust certification chain.

Not yet rated
7,600 users

DL for Thunderbird Requires Restart

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (3)
1,863 users

GProxy Tool Requires Restart

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

Rated 4 out of 5 stars (8)
4,439 users

GuifiProxy Requires Restart

Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement

Rated 4 out of 5 stars (23)
2,055 users

InfoNotary Configurator for Mozilla Requires Restart

Configures Mozilla for work with certificates issued by InfoNotary Plc.

Rated 5 out of 5 stars (2)
8,450 users

Secure Addressing Requires Restart

This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.

Rated 5 out of 5 stars (20)
2,902 users

Mail Merge Requires Restart Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (149)
61,289 users

Copy Folder Requires Restart

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 (47)
11,805 users

StartupMaster

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

Rated 4 out of 5 stars (232)
22,649 users

Master Password+ Requires Restart

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 (139)
24,720 users

Close Proxy Authentication Requires Restart

Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.

Rated 5 out of 5 stars (4)
1,568 users

Unsubscribe from Mailing List Requires Restart

Allows recipients to cancel their newsletter subscriptions in the thunderbird interface.

Rated 4 out of 5 stars (13)
1,376 users

Cert Viewer Plus Requires Restart

Certificate viewer enhancements: PEM format view, trust configuration

Rated 4 out of 5 stars (6)
4,474 users

FoxyProxy Basic Requires Restart

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 (31)
22,013 users

DKIM Verifier Requires Restart

Verifies the DKIM-Signature of an e-mail.

Rated 4 out of 5 stars (15)
4,862 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 (35)
4,936 users