Search

Provider for Google Calendar

Allows bidirectional access to Google Calendar

Rated 3 out of 5 stars (1,654)
178,363 users

Download Now

Mail Merge

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

Rated 5 out of 5 stars (227)
63,777 users

Download Now

Thunderbird Conversations Featured

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

Rated 4 out of 5 stars (560)
24,448 users

Download Now

Signature Switch

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

Rated 4 out of 5 stars (272)
51,231 users

Download Now

Emoji

Add emojis to your e-mails.

Rated 4 out of 5 stars (64)
23,357 users

Download Now

Check and Send

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (49)
19,583 users

Download Now

Confirm-Address

Confirm E-mail address before sending mail

Rated 4 out of 5 stars (73)
19,656 users

Download Now

AutoarchiveReloaded Featured

Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)

Rated 4 out of 5 stars (26)
21,416 users

Download Now

FlexConfirmMail

Confirm mail address and attachments based on flexible rules.

(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)

Rated 4 out of 5 stars (11)
16,627 users

Download Now

Grammalecte [fr] (for Thunderbird)

French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.

Rated 4 out of 5 stars (16)
6,005 users

Download Now

Allow HTML Temp

Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).

Rated 4 out of 5 stars (89)
9,891 users

Download Now

G-Hub Lite

Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro

Rated 4 out of 5 stars (23)
3,609 users

Download Now

CategoryManager

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (23)
7,016 users

Download Now

CardDAV Browser

A utility to browse vCards stored on a CardDAV server.

This version is only for Thunderbird. There is a SeaMonkey version available if needed.

Rated 3 out of 5 stars (7)
341 users

Download Now

Edit Email Subject (EES)

This module allows you to change/edit email subjects

Rated 4 out of 5 stars (125)
7,624 users

Download Now

Xpunge

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

Rated 5 out of 5 stars (72)
5,477 users

Download Now

ReplyWithHeader

Outlook style headers and few goodies for Thunderbird.

Rated 5 out of 5 stars (91)
11,156 users

Download Now

Google Keep Tab

Adds a button to open Google Keep in a new Tab

Rated 5 out of 5 stars (29)
4,092 users

Download Now

Quick Folder Move

When filing messages, a search box will show up allowing you to quickly enter the folder name you want to move to.

If no search term is entered, a list of recent folders will show up instead.

Rated 4 out of 5 stars (200)
6,695 users

Download Now

Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 4 out of 5 stars (147)
5,801 users

Download Now