Extensions by Name

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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 (285)
51,838 users

Shrunked Image Resizer

Make your photos smaller, so they don't take forever to email or send to websites.

Rated 4 out of 5 stars (33)
8,334 users

Sieve No Restart

This Extension implements the ManageSieve protocol for securely managing Sieve Script on a remote IMAP server...

Rated 4 out of 5 stars (24)
11,076 users

Sieve Out of Office New

A Thunderbird plugin to allow one to set out of office messages and / or redirect emails to colleagues via a easy to use pop-up dialog.

This Out of Office plugin requires that your POP3 / IMAP server also have a sieve service.

Rated 3 out of 5 stars (1)
311 users

Signal Spam

Cette extension va ajouter dans Mozilla Thunderbird une fonction de signalement qui vous permettra de transmettre d’un seul clic les messages que vous considérez comme spam à Signal Spam, le réseau de confiance pour agir contre le spam.

Rated 3 out of 5 stars (22)
10,014 users

Signature

insert custom text into posts and emails...

Rated 4 out of 5 stars (72)
1,769 users

Signature /Auto Paste /Prefill Fourms

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (24)
4,617 users

Signature Fixer

Fixes the Signature Stacking bug for Forwards/Replies.

Rated 2 out of 5 stars (4)
454 users

Signature Switch

Switch the signature on/off or choose a new one from your predefined set...

Rated 4 out of 5 stars (177)
95,612 users

Silent Block No Restart

Minimum and fast URL blocker.

Rated 5 out of 5 stars (16)
8,599 users

Simple HT Jumper

A temporal simple jumper of HTML and Plan TEXT view mode on showing messages and replying messages for Thunderbird without changing the default setting.

Rated 5 out of 5 stars (17)
752 users

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (7)
18,194 users

Simple Search-For Extension

Adds a "Search for" item to Thunderbird's context menu, like in Firefox.

Rated 5 out of 5 stars (14)
1,683 users

Simple Steganography

Hide messages in PNG-32 images, extract them via context menu. The text is embedded invisibly by a "Least Significant Bit" algorithm.

You can also encode very short messages by re-sorting text lists and extract them via context menu.

Rated 5 out of 5 stars (2)
306 users

Simple Week View

A simple week view for Lightning, as in the print layout.

Rated 3 out of 5 stars (3)
620 users

Single Domain

Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.

Rated 5 out of 5 stars (1)
168 users

sipgateFFX for Firefox and Thunderbird

The sipgate extension enables a practical overview for your account, direct call list notifcations, a speed access to several parts of sipgate's website, initiaiting click2dial calls, sending messages and faxes directly from your browser.

Rated 3 out of 5 stars (19)
4,630 users

Size in KB

Use KB for size in the thread pane

Rated 5 out of 5 stars (1)
434 users

SJCall

SJCall is a beta version of a VoIP extension enabling you to place telephone calls directly from the Mozilla applications using SJphone, the world-leading Internet softphone...

Rated 4 out of 5 stars (3)
11 users

Skyrock by RaouF

Blogs, profils, rencontres, groupes,photos,.. Avec Skyrock.

Not yet rated
2 users