Add-ons
Miscellaneous
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Display Mail User Agent T
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.10,856 users -
FileLink provider for WebDAV
Uploads your large attachments to your WebDAV account instead of sending them by email.
42,202 users
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Provider for Google Calendar connects Thunderbird with Google Calendar for full task sync, conference details, and scheduling support. It offers deeper integration than Thunderbird’s native support using Google’s official API.166,045 users -
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.113,448 users -
Uploads your large attachments to your WebDAV account instead of sending them by email.42,202 users -
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.16,024 users -
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.13,284 users -
Unofficial DeepL translate extension for Thunderbird.10,981 users
Top Rated See all »
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Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Also adds three columns to the Thunderbird message pane that are useful in debugging.8 users
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If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.62 users
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Met deze add-on verstuur je met één klik e-mail via je Zorgmail-account.0 users -
Automatically detects verification codes in received emails and displays a notification that you can click to copy the code to clipboard.1 user -
El sello que permitirá a tus destinatarios de tus correos electrónicos, validar la autenticidad y legitimidad de tus direcciones de correo electrónico, poniendo esa necesaria barrera a las posibles suplantaciones de identidad (phishing ó spoofing).1 user -
Send the Interstellar Alliance Social Experiment Step 3 letter as an email to a predefined online list of recipients.
See https://www.bashar.org/socialexperiment for more information regarding the Interstellar Alliance Social Experiment.1 user -
Email Cleaner is an extension that allows you to delete emails from specific senders or specific subjects older than a certain number of days. The plugin is multilingual.53 users -
On Linux (Xorg / Wayland), selecting text with mouse or keyboard sends the selected text to PRIMARY selection.
This addon sends mouse selected text to regular clipboard.
See also https://addons.mozilla.org/fr/firefox/addon/copy-on-mouse-select/5 users
See all 469 extensions in Miscellaneous »
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