Top-Rated Extensions


Reply To All Reminder Requires Restart

Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.

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21 users

SMTP Switch Reborn Requires Restart

SMTP Chooser.

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12 users

Adblock Cyceam

Earn extra money while browsing online! Get rid of ads, and optionally tip your favorite sites.

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68 users

Thunderbook Requires Restart

Export messages (including RSS items) as e-books.

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112 users

AastraClickToCall Requires Restart

Converts telephone numbers into clickable links for use with Aastra IP Phones

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26 users

MultiTemplateLoader Requires Restart

Manages & applies multiple HTML templates when creating/replying messages.

Templates may be either local files or online links (http:// or ftp://). Up to 9 templates can be defined and easily switched, also using shortcut keys.

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98 users

Identity Checker Requires Restart

This add-on checks to sender identity when send a message.

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34 users

TexTra Thunderbird Requires Restart


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45 users templates

This plugin adds our savvy email templates to your Thunderbird toolbar.

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16 users

Durch das Plug-in werden unsere praktischen E-Mail-Vorlagen Ihrer Thunderbird-Symbolleiste hinzugefügt

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12 users


Live in harmony with ads.

AdSidebar is an alternative to traditional ad blocker extensions that benefits both the user and content creators. Ads are displayed in a sidebar on the right side of the screen.

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17 users templates

Voegt de handige e-mail templates toe aan de knoppenbalk van Thunderbird om deelnemers aan uw conference call uit te nodigen.

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5 users

B-Trust Tool NEW

Configures B-Trust security devices, imports B-Trust certification chain.

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4,158 users

Emoji Requires Restart

Add emojis to your e-mails.

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3,436 users

EuropeanMX Spam Reporter Requires Restart

Train your EuropeanMX filter by reporting unrecognized spam or false-positives back to us.

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29 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

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25 users

Highlight Unread Folders Requires Restart

This add-on enables highlighting the account names which contain unread messages.

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193 users


All the great features of /u/RemindMeBot in a quick and easy to use extension!

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91 users

Generate patch command Requires Restart

Generate a command (or part of it) to send a patch as a reply to a thread − primarily intended for use with `git send-email`

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13 users

Discount Hunter

Price off sales, discounts and more. Find the greatest deals on Amazon.

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4 users