Privacy and Security

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Website Blocker Requires Restart

Block websites you don't want the browser to get into.
Block by a whole domain name or a specific address.
Block until further notice or until a certain date.

Rated 2 out of 5 stars (11)
9,456 users
Added October 4, 2015

Disable About Something Requires Restart

Provides ability to disable "about:*" pages by the configuration.

Rated 5 out of 5 stars (1)
615 users
Added September 24, 2015

GProxy Plus Requires Restart

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

Not yet rated
1,956 users
Added September 6, 2015

Sensitivity Header Requires Restart

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.

Rated 4 out of 5 stars (1)
62 users
Added August 13, 2015

SecondOpinion Requires Restart

This extension implements a convenient way to check and upload attachments against VirusTotal.com

Rated 5 out of 5 stars (1)
225 users
Added June 19, 2015

Steganografi menggunakan PIT dan PRNG Requires Restart

Add-on penyisipan pesan pada gambar menggunakan PIT dan PRNG

Not yet rated
1 user
Added May 26, 2015

Force Authentication at Startup. Requires Restart

Always ask password and hide UI at the startup.

Not yet rated
13 users
Added March 5, 2015

clamdrib LIN Requires Restart

"clamdrib LIN" ist wie der Name schon sagt die Weiterentwicklung des Add-on clamdrib, allerdings nur noch für Linux. Sämtliche E-Mails, Feeds und News werden auf Viren und anderes Ungeziefer geprüft und gemeldet. Gelöscht wird hierbei jedoch nichts!

Rated 4 out of 5 stars (3)
519 users
Added February 25, 2015

ThunderSec Requires Restart

ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).

Rated 4 out of 5 stars (6)
501 users
Added February 15, 2015

AdNauseam

Fight back against advertising surveillance

Rated 5 out of 5 stars (9)
4,833 users
Added February 14, 2015

pass-manager Requires Restart

Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)

Rated 3 out of 5 stars (1)
54 users
Added January 10, 2015

CryptoData Requires Restart

Easily and quickly to encrypt / decrypt:
Private messages via e-mail, blogs, social networks, forums, websites, images, etc
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (7)
1,596 users
Added January 2, 2015

Netlux Adblocker

Block unwanted ads.

Not yet rated
33 users
Added November 20, 2014

Sender Address Columns Requires Restart

Adds optional columns to the Thread Pane to allow sorting email messages by:
* Full sender address -- e.g. "someone@example.com"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"

Rated 5 out of 5 stars (3)
167 users
Added October 27, 2014

enMailing for Thunderbird Requires Restart

Encrypted email made easy.

Not yet rated
3 users
Added June 14, 2014

Element Hiding Helper for Pan

Help you create element hiding rules for Pan to fight the text ads.

Rated 5 out of 5 stars (4)
304 users
Added May 30, 2014

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (97)
4,496 users
Added May 30, 2014

Disable about:config Requires Restart

Disable about:config feature of Firefox and Thunderbird.

Rated 1 out of 5 stars (1)
685 users
Added February 23, 2014

Do Not Save Password Requires Restart

Prevents to save passwords.

Rated 5 out of 5 stars (1)
283 users
Added February 23, 2014

PennyPost Requires Restart

This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.

Rated 5 out of 5 stars (3)
40 users
Added February 19, 2014