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Sum it up

The extension adds a button called Sum it up which takes content of a message and asks a locally running large model to summarize it in 50-100 words. It requires API of a llama.cpp or ramalama server running locally. No content leaves the local host.

Not yet rated
0 users
Added June 24, 2025

ChartPop

Stop opening new tabs! Instantly see stock prices and mini charts by hovering over tickers on any webpage.

Not yet rated
1 user
Added June 23, 2025

ReplyAgent

Extension for ai generated replys for users emails.

Rated 5 out of 5 stars (1)
2 users
Added June 11, 2025

Search Selector

Плагин для выбора поисковой системы при поиске выделенного текста.

Not yet rated
1 user
Added April 30, 2025

Inbox Actions

Inbox Actions add convenient interactions to messages allowing users to interact with an product or service all without the user even having to open their email.

Not yet rated
7 users
Added April 13, 2025

Max Image Width

Limit all images in all messages to the message pane width.

Not yet rated
46 users
Added April 8, 2025

Custom Headers View

Display custom email headers in the mail header toolbar. This extension allows you to make visible specific headers in the toolbar, like received, date, DuckDuckGo's duck-original- headers to show the sender's email in the original format, etc.

Not yet rated
46 users
Added Feb. 27, 2025

BulkDelete

Thunderbird MailExtension designed to help you efficiently bulk delete emails with multiple filtering options.

Not yet rated
124 users
Added Feb. 25, 2025

reconn EWS

Плагин для подключения reconn EWS

Not yet rated
2 users
Added Feb. 17, 2025

eMail Address Finder

This finds all email addresses in Body, From, & CC fields.

It will then put them all into a single menu.

You can click on the menu & copy the address.

For those wrangling email addresses all day, it's a massive time saver.

Not yet rated
132 users
Added Jan. 16, 2025

ThunderAI Sparks

ThunderAI Sparks is an add-on designed to add advanced features to ThunderAI.

Not yet rated
312 users
Added Jan. 13, 2025

XRechnung-Viewer

Zeigt eine Zusammenfassung von XRechnungen / ZUGFeRD-Rechnungen der ausgewählten E-Mail (Attachments) an. Außerdem stellt es einen Bezahlcode (QR-Code) dar, der mit entsprechender App eine Überweisung mit den Daten aus der Rechnung auslöst.

Rated 5 out of 5 stars (2)
141 users
Added Dec. 20, 2024

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.

Rated 4 out of 5 stars (1)
131 users
Added Dec. 6, 2024

Create Calendar events from mail content

This plugin offers to create new events based on the email subject and content

Rated 2 out of 5 stars (1)
155 users
Added Nov. 30, 2024

Antispam

Sending email to the Antispam database

Not yet rated
23 users
Added Oct. 30, 2024

Apply ROT13

Apply ROT13 to selected text in messages.

Select any text in the message body, right-click on the selection to open the context menu and select "Apply ROT13". Alternatively, you can use a configurable keyboard shortcut (Ctrl-Shift-D by default).

Rated 5 out of 5 stars (1)
34 users
Added Oct. 24, 2024

Thunderbird Assist

[Closed Alpha Testing] Thunderbird assist provides a summary of new messages in your inbox.

This add-on is undergoing testing and not yet available to the general public.

Not yet rated
13 users
Added Oct. 18, 2024

Inoreader Thunderbird Add-on

A simple add-on with a button in the Spaces toolbar.

Requires an account a inoreader.com

Rated 3 out of 5 stars (1)
4 users
Added Oct. 14, 2024

Birdbox

Maintain your favorite websites as spaces within Thunderbird

Rated 5 out of 5 stars (2)
36 users
Added Aug. 28, 2024

BetterUnsubscribe

Adds a convenient button to the navigation bar, appearing whenever an unsubscribe option is detected in an email.

Rated 5 out of 5 stars (9)
1,394 users
Added Aug. 23, 2024