Search

OpenFolder

This add-on makes it easy to open folders on a file server.

In order to use the add-on, you need to install two things: the add-on and the linked app.
You can download the linked app from the following website.

https://openfolder.net/

Rated 3 out of 5 stars (2)
185 users

acus

Update 2023: This addon will be replaced by "arcus".

Modern encryption in Thunderbird

** Currently in testing phase **
What you can do:
1. Set your secret key and automatically decrypt emails
2. Generate a new key pair
3. Encrypt plain text

Not yet rated
3 users

Auto-Mark Folder Read

New messages can be automatically marked as read in common folders (e.g. spam, trash, drafts, templates).

For TB up to 121, please use the most recent v1.5.* add-on release.

For TB as of 122, just use the latest add-on version (1.6 or higher).

Rated 4 out of 5 stars (11)
777 users

MyPhoneExplorer

This Addon is needed to sync your Android based smartphone with Thunderbird with the Software "MyPhoneExplorer". You can get MyPhoneExplorer from: https://www.fjsoft.at

Rated 4 out of 5 stars (18)
9,974 users

Weatherlicious

A dynamic theme based on weather data from OpenWeatherMap.

Rated 4 out of 5 stars (9)
361 users

Old (classic) Icons

This replaces the new monochrome icons with the old/classic colorful icons. Uses the code from Phoenity Icons and the graphics from older Thunderbird versions.

Rated 5 out of 5 stars (33)
2,880 users

Mail Merge P

Mail Merge P (Mail Merge with Preview) is a Thunderbird add-on to send bulk emails based on data provided in a spreadsheet. It uses the nunjucks templating engine.

Rated 3 out of 5 stars (19)
2,345 users

Microsoft To Do - Quick Access

Quick Access to Microsoft To Do (Live) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (1)
573 users

Open Google Tabs

Open up Google Calendar, Notes, and Microsoft Outlook in a new tab.

Not yet rated
120 users

ThunderSuite - Customize your Quick Access Sidebar

This extension allows user editing of the spaces sidebar.
Create custom spaces from the extension options, to turn the new toolbar introduced with Supernova into your personal quick access toolbox.

Rated 5 out of 5 stars (8)
433 users

Gemini - Quick Access

Quick Access to Google Gemini AI (formerly Bard) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (1)
416 users

RemindMe

Moves email into Inbox/RemindMe folder, and moves it back into Inbox after chosen time.

Rated 5 out of 5 stars (5)
453 users

Toggle HTML

Adds a Toggle HTML button

Rated 4 out of 5 stars (8)
1,171 users

Australian English Dictionary

FEATURES
- Profanity
- Racism
- Slang words
and so much more!

GitHub repo @ https://github.com/Caskexe/Australian-English-Dictionary
Firefox Add-ons listing @ https://addons.mozilla.org/en-GB/firefox/addon/australian-english-dictionary/

Rated 5 out of 5 stars (2)
2,045 users

GetMyInvoices

Save your attached PDF invoices or archive and store complete invoice e-mails directly to your GetMyInvoices account from Thunderbird

Not yet rated
19 users

UnInbox - Quick Access

Quick Access to UnInbox in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
8 users

CollectAddresses

Collect all sender/recipient/... addresses and store in an addressbook

Rated 4 out of 5 stars (4)
1,166 users

Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (34)
5,750 users

InfoCodex DocSummarizer

Intelligent document and mail summarization tool based on the artificial intelligence of InfoCodex. Create better summaries chapter-by-chapter and tag them in your preferred language.

Rated 1 out of 5 stars (1)
10 users

Clear History Button

Adds a button to launch the Clear History dialog

Rated 5 out of 5 stars (1)
80 users