Testing

by Firefox user 0cbf39

  • Updated Dec. 4, 2020

About this Collection

9 Add-ons in this Collection

CardBook by Philippe V.

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Featured

Rated 4 out of 5 stars 485 reviews

57,760 users

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Automatic Dictionary by beltrachi

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Rated 5 out of 5 stars 49 reviews

3,056 users

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

Tag Toolbar / Tag Popup by H.Ogi

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Rated 4 out of 5 stars 96 reviews

14,564 users

Add toolbar for toggling tags.

Edit Email Subject (EES) by jisse44, John Bieling

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Rated 4 out of 5 stars 131 reviews

7,287 users

This module allows you to change/edit email subjects

MessagePreview by alta88

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Rated 5 out of 5 stars 6 reviews

32 users

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.

Open Tab by Toshi

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Rated 5 out of 5 stars 6 reviews

534 users

Link open in new tab.

Quote Colors & Collapse by Alexander Ihrig

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Rated 5 out of 5 stars 15 reviews

3,948 users

Configure text and background colors of quotes in mail and news messages. From up addon version 3 (Thunderbird 91) you can collapse quotes.

Previous Colors by ZXED

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Rated 5 out of 5 stars 8 reviews

1,493 users

Quickly choose one of the previously selected colors for a message text

BrowseInTab by alta88

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Rated 4 out of 5 stars 13 reviews

69 users

BrowseInTab lets you open and browse any link in a Thunderbird content tab. Links are followed within the tab and back/forward navigation is supported. Also with enhanced Zoom customization and a url bar.

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