Message and News Reading
Quote Colors Requires Restart
Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.
Remove Duplicate Messages (Alternate) Requires Restart
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Simple Search-For Extension Requires Restart
Adds a "Search for" item to Thunderbird's context menu, like in Firefox.
Web reader for wide screens and long documents. Read with pleasure in attractive layouts.
Search for Sender Requires Restart
Adds two items to the threadpane context menu, 'Search for this sender' and 'Search for this subject'. This basically takes the sender or subject of the selected message, copies it to the QuickSearch window and starts the search.
Equations Requires Restart
Insert inline LaTeX equations into e-mail messages.
Email Notification Randomizer Requires Restart
Extension to randomize the email notification sound. Each time an email is received, the configured email notification sound is updated from the set of wav files in the configured folder...
Enable the View | Message Body As | All Body Parts message display mode.
Leet Key Requires Restart
Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...
POW -- Plain Old Webserver Requires Restart
Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.
Folder Account Requires Restart
Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.
ThreadVis Requires Restart
Displays a small graphic visualising the context (thread) of the currently selected email.
ThunderPEC Requires Restart
ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.
Gather the senders ! Requires Restart
Select all the mails in a directory sent by the selected authors.
Show Address Only Requires Restart
Adds columns to display Sender/Recipients mailaddress only.
Image Zoom Requires Restart
Adds zoom and rotation functionality for images...
Enhanced Priority Display Requires Restart
Enhanced thread pane display of message priorities.
Display Mail User Agent Requires Restart
Displays icon for user agent of received mails.
Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.
Forward Requires Restart
Add Inline / As Attachment option to Forward button and Message context menu.