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Auto Profile Picture
Upgrade your Thunderbird experience with intelligent and clearer sender visualization that transforms how you identify and manage emails — making email management smoother and more intuitive.
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BetterUnsubscribe
Adds a convenient button to the navigation bar, appearing whenever an unsubscribe option is detected in an email.
Google Contact - raccourci
Ajoute une icône dans la barre d'espaces pour ouvrir rapidement Google Contact.
Notion - Quick Access
Quick Access to Notion in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Outlook Calendar - Quick Access
This extension adds a simple button to your Spaces toolbar that opens in a new tab, providing you with one-click access to Outlook Calendar.
Email Address Extractor
Sender-Recipient Exporter is a Thunderbird add-on that extracts sender email addresses, sender domains, and recipient email addresses from messages in the currently selected mail folder. The data is exported as a CSV file for easy analysis.
Duck Email Converter
Convert your forwarding mail and your DuckDuckGo Email Protection username to an email ready to be written to. Supports [at] and [dot] formats. The DuckDuckGo name, logos, trade dress, and other brand elements are trademarks of Duck Duck Go, Inc.
AI Email Assistant
Automatically generate email responses using AI through an external API integration. This add-on sends emails to an API and inserts the AI-generated response into your reply.
BulkDelete
Thunderbird MailExtension designed to help you efficiently bulk delete emails with multiple filtering options.
Interstellar Alliance Social Experiment Step 3
Send the Interstellar Alliance Social Experiment Step 3 letter as an email to a predefined online list of recipients.
SAGE
This extension checks before sending an email that the type of the attached files is allowed and that the total size of the attached files respects a maximum limit. SAGE is the acronym for Safe Attachment Guard Extension.
Sortana
Sortana adds AI-powered email filtering to Thunderbird. Configure your own endpoint and tailor prompts to automatically classify messages. Tune generation settings, cache results across restarts, and debug with colorized logs.
GitLab Issue Creator
Create GitLab issues directly from Thunderbird emails – subject and content are imported automatically, and you can easily pick the project.
Thunderbird 誤送信防止アドオン
TO欄・CC欄に複数のメールアドレスがある場合の誤送信を防止します。送信前に自動的にチェックし、複数アドレスが検出された場合は警告を表示して送信を停止します。BCC欄の使用を推奨し、プライバシー保護を支援します。
kurl - YOURLS Shortener
Quickly shorten links with your self-hosted YOURLS instance. Provides a toolbar button, context menu, and keyboard shortcut for a fast workflow.
CRM Integration Addon - Lookup Via Email
Adds a button and menu option to open a CRM search page using the sender's email address as the search criteria. It supports multiple CRM systems (Zendesk, SugarCRM, Salesforce, ServiceNow, Zoho) and also allows you to configure a custom URL.
Bulk Attachment Deleter
Delete attachments from selected emails in Thunderbird.
You can delete attachments in the E-mail by right-clicking and then pressing "Delete Attachment (with backup) x messages".
ChangeloggerTo create your own collections, you must have a Mozilla Add-ons account.
