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quickFilters

Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.

By popular demand, supports SORTING filters alphabetically.

Rated 5 out of 5 stars (78)
12,855 users

Tag Toolbar / Tag Popup

Add toolbar for toggling tags.

Rated 4 out of 5 stars (111)
12,789 users

GMail Labels

Shows GMail labels in each message's headers panel. When using Thunderbird with a Gmail account, it is not possible to guess which Gmail labels a message was applied (and in which folders it can be found). This extension provides this information

Rated 4 out of 5 stars (24)
969 users

Tagger

Tagging messages by autocompletion

Quickly tag selected messages from a large list of existing tags using autocompletion, or create and add new tags, or clear them all.

Optionally tag incoming reply with tags of messages replied to.

Rated 5 out of 5 stars (2)
689 users

SubSwitch

Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.

Rated 4 out of 5 stars (19)
374 users

Email Assistant

This Extension provides a framework for AI-powered email analysis. It processes incoming emails, sends them to a language model of your choice, and applies tags. This allows for sophisticated email classification and sorting.

Not yet rated
191 users

PrioMailbox

PrioMailbox helps you prioritize your Thunderbird inbox by automatically tagging and highlighting important emails. Trainable tags organize your inbox efficiently, saving time and reducing distractions, with a simple, user-friendly interface.

Rated 3 out of 5 stars (2)
171 users

AutoBucket

This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.

Rated 3 out of 5 stars (15)
117 users

TidySubject

Declutter Re:, Fwd:, and EXT tags automatically.

Rated 4 out of 5 stars (3)
87 users

TagOnCompose

This add-on allows you to specify tags when composing a message, which are then assigned to the message saved in the Sent folder.

Rated 4 out of 5 stars (2)
79 users

Webpage Print from Context Menu

Print the current webpage from the context menu

Not yet rated
70 users

ThunderSearch

Open a Google search browser window in Thunderbird from the context menu

Not yet rated
65 users

Tag Sequence Arranger Requires Restart

Enable you to arrange the tag sequences in their listbox.

Rated 5 out of 5 stars (19)
45 users

PhishNet

AI phishing detection tool

Rated 4 out of 5 stars (1)
45 users

ThunderCalc

A simple calculator for Thunderbird/Sea Monkey/Firefox, available in a pop-up window or a separate tab.

Not yet rated
43 users

AI Tag Manager

AI-powered automatic management of Thunderbird tags - Merge similar tags, intelligent cleanup and more

Rated 4 out of 5 stars (1)
41 users

Unread Tracker

Tracks personal read status for shared IMAP inboxes using tags

Not yet rated
17 users

MyTickets

Extension to mails that have TicketID: XXXX in Subject
It will Check to see if you have a "MyFolders" folder under your INBOX.
If yes it will create two child folders:
- Open
- Closed
IT will sync All Open Folder every 5 minutes

Not yet rated
15 users

Regex Message Tagger

This extension provides a means to tag messages based on a regular expression (regex) match of their subject lines. All messages that have the same regex match will get the same tag of the form SNx, which x is one or more digits.

Not yet rated
13 users

UUID - WES

WES Solucoes Tecnologicas Ltda

Not yet rated
6 users