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uBlock Origin

Finally, an efficient blocker. Easy on CPU and memory. uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker that blocks ads, trackers, coin miners, popups, annoying anti-blockers, etc. in your feeds.

Rated 4 out of 5 stars (10)
8,224 users

PREVENTIVI MAIL

ARCHIVIA EMAILS AI PREVENTIVI

Not yet rated
45 users

Extract 'Em! Featured

Extracts attachments from messages within an account or folder, with the option to select specific attachments. Extracted attachments are saved to a .zip file.

Rated 4 out of 5 stars (3)
3,215 users

Articles Toolbar

Adds the Articles toolbar

Not yet rated
22 users

Google Keep - Quick Access

Quick Access to Google Keep in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (1)
109 users

Auto Avatars

Add-on for Thunderbird that automatically populates contact photos with their Libravatar or Gravatar photo. Includes support for custom instances and federation!

Rated 4 out of 5 stars (1)
114 users

Open Image In New Tab

Adds a context menu item to open images in a new tab

Rated 5 out of 5 stars (6)
498 users

TimetableForWeb

Display just previous schedule.
Update current time schedule.
Good to update future schedule too.

I thank God through Jesus Christ.

Not yet rated
11 users

Open Google Voice

Opens Google Voice In A New Thunderbird Tab

Rated 4 out of 5 stars (3)
151 users

selectAll Button

This Add-on installs a button on the mail toolbar that will when clicked select all messages within the folder.

Not yet rated
107 users

Send Later Button

The Send Later Button extension enhances Thunderbird by enabling 'Send Later' even in online mode. It supports many Languages, ensuring a seamless user experience.

See: https://github.com/That-Developer-Guy/Send-Later-Button-Thunderbird/

Rated 3 out of 5 stars (2)
1,006 users

Identity Selector

Always select the right identity with Identity Selector!

Rated 4 out of 5 stars (2)
15 users

Google Messages Tab

Adds a button to open Google Messages in a new tab.

Rated 4 out of 5 stars (7)
480 users

googlesearchwebapp

Adds browser action icon to toolbar to open Google-Web-Search. See http://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/05/google-websuche-button/

Rated 5 out of 5 stars (1)
145 users

todowebapp

Adds browser action icon to toolbar to open To-Do. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-to-do-button/

Rated 4 out of 5 stars (2)
120 users

GTrash

Provides a button and keyboard shortcut (Shift + Alt + Delete by default) to move mail to its account's Trash folder, regardless of normal delete setting. It was developed to improve the experience of using GMail via IMAP.

Not yet rated
153 users

InsertSignature

Insert signature helps you to insert usually used text by your customization.

Rated 3 out of 5 stars (11)
1,279 users

Compose Responsive Images

When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.

Rated 5 out of 5 stars (1)
146 users

Pywalfox

Dynamic theming of Thunderbird using your Pywal colors.

https://github.com/Frewacom/pywalfox

Rated 3 out of 5 stars (6)
280 users