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Toggle Word Wrap
Requires Restart
Toggle word wrapping and <PRE> element wrapping in the message composition and HTML display windows, respectively. Based on original version by Kaspar Brand.
Open Tab
Folder Colors
Requires Restart
A fork of "Color Folders" (aka "Colored Folders") to support TB 68+. Applies custom colors to the folder tree in Thunderbird.
This add-on is superseded in TB78 by the built-in folder-color changer (in folder > Properties).
Flat Folder Tree (updated)
Flat Folder Tree enables you to selectively breakout sub-folders under intermediate folders in the folder pane view. This is an updated version of the existing addon, now compatible with Thunderbird 60.
FileLink Provider for Box
Uploads your large attachments to your Box instead of sending them by email.
Flat Folder Tree Reborn
Requires Restart
Flat Folder Tree Reborn is an update of the Flat Folder Tree add-on, which allows you to selectively promote or breakout sub-folders in the folder tree. Use with IMAP servers where some folders remain collapsed under a special namespace like [Gmail].
RainbowMemo
MessagePreview
MessagePreview adds a column to the Thunderbird message list to display the message preview in a tooltip on column row icon mouse hover or a short preview in the column row itself.
skypewebapp
Adds browser action icon to toolbar to open Skype. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/skype/
AI Grammar
Helps you write emails with the Llama3 LLM (offline). Corrects grammar mistakes in your draft email.
Supplementary Compose Menu
Supplementary menus to reply to a message by including its original attachments and to create a new email to the recipients of an existing message.
CalendarSearchExport
Reply All Button
Add a "Reply All" button which never behaves like "Reply List". Intended to replace the Smart Reply button to avoid accidentally performing Reply List behavior.
Freecosys - FileLink provider
ChatGPT - Quick Access
Quick Access to ChatGPT in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
One-Click Forward
Forward emails directly through a dropdown of predefined recipients.
Configure recipients in settings. Use the message toolbar button "Quick Forward" to open a dropdown with your recipients and forward directly, or hold Shift to edit first.
Yandex Mail - Quick Access
Quick Access to Yandex.Mail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
S3 FileLink Provider
Tagger
Tagging messages by autocompletion
Tagger allows you to quickly tag selected messages from a large list of existing tags using autocompletion. It also allows you to create and add new tags, or clear all currently set tags, on selected messages.
Dark Plain TextTo create your own collections, you must have a Mozilla Add-ons account.
