Add-ons
Message Composition
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*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
42 148 users -
SmartTemplates
SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.
4 110 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.128 467 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft82 006 users -
Check your emails for spelling and grammar issues81 441 users -
Switch the signature on/off or choose a new one from your predefined set.60 283 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).56 524 users -
Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)55 735 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text2 059 users -
Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。499 users -
Macro Template is to replace mail templates with macros for date formatting.618 users
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Default "Reply" functionality pays attention to "Reply-To" in original email64 users
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Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).47 628 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft82 006 users
Recently Added See all »
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Paste clipboard images inline in Thunderbird with PNG, JPG, or automatic format selection.2 users -
Sets a default font of your choice for every new composed e-mail.5 users -
Add images via clipboard, drag & drop, or file import. Resize and convert image files to JPGs, automatically rename and number them. Sort, rotate, or edit your image attachments. All within the jpg-attacher add-on window.6 users -
L'extension améliore votre expérience de boîte de réception d'e-mails grâce au support IA (LLM).
* Résumé
* Traduction
* Explication
* Auto Tag
* Prompte personnalisé11 users -
Manage and insert customized email templates with attachments directly from the compose window.34 users -
Quill lets you integrate AI writing assistance (Ollama, OpenAI, or Claude) to help you write or respond to emails un Mozilla Thunderbird.10 users
See all 281 extensions in Message Composition »
To create your own collections, you must have a Mozilla Add-ons account.
