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EnhancedReplyHeaders

Customizable headers for Thunderbird

Rated 4 out of 5 stars (6)
185 users

ThunderFWD

Encaminhe múltiplos e-mails de uma só vez.

Not yet rated
28 users

Markdown Here Revival

A revival of the popular Markdown-Here addon for Thunderbird 115 and beyond.

Markdown Here Revival is a Thunderbird extension that lets you write emails in Markdown and render them as HTML before sending.

Rated 4 out of 5 stars (18)
1,337 users

✨ Awesome Emoji Picker ✨

Modern, nice emoji picker that you can use to find and select emojis. It will be copied to your clipboard or even directly inserted into the e-mail, when you click on it.

You will certainly like it.

Rated 5 out of 5 stars (7)
4,752 users

Clippings for Thunderbird

Save frequently-entered text for pasting later.

Rated 4 out of 5 stars (8)
1,491 users

Google Messages Tab

Adds a button to open Google Messages in a new tab.

Rated 4 out of 5 stars (7)
505 users

StandardTexter

With the help of this Add-on, up to 99 pre-made texts (standard texts, text modules or even signatures) can be stored, which can then be retrieved and inserted when writing an e-mail.
The texts can be preformatted with HTML.

Rated 5 out of 5 stars (10)
1,904 users

Send Later Button

The Send Later Button extension enhances Thunderbird by enabling 'Send Later' even in online mode. It supports many Languages, ensuring a seamless user experience.

See: https://github.com/That-Developer-Guy/Send-Later-Button-Thunderbird/

Rated 3 out of 5 stars (2)
923 users

regimail

AddOn for sending regimail with Thunderbird on Windows, MacOS and Linux.

*IMPORTANT:*
In order to use this AddOn, you need to install the regify client on your system and configure it with a valid regify account.

Not yet rated
12 users

Identity Selector

Always select the right identity with Identity Selector!

Rated 4 out of 5 stars (2)
12 users

To must occur only once

This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.

Rated 5 out of 5 stars (1)
24 users

Compose Responsive Images

When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.

Rated 5 out of 5 stars (1)
152 users

Safe Links Cleaner

Clean up the display of links rewritten by Microsoft ATP Safe Links when reading and composing mail, so the original links can easily be viewed and copied, while retaining the rewritten addresses as the actual target of all links.

Rated 4 out of 5 stars (2)
114 users

TuLPe

Traffic light protocol extension for Thunderbird, messages are customizable in the option page.

Not yet rated
17 users

InsertSignature

Insert signature helps you to insert usually used text by your customization.

Rated 3 out of 5 stars (11)
1,348 users

HTML Source Editor

Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.

Rated 5 out of 5 stars (12)
2,842 users

Arcus

Modern encryption in Thunderbird - powered by Rust, rage and WebAssembly

Rated 5 out of 5 stars (2)
18 users

CloneMessage

When composing an email, CloneMessage allows you to duplicate the current state of the email.

Rated 5 out of 5 stars (1)
139 users

Lex-ON Conecta

Conecta tu correo con Lex-ON.

Not yet rated
1 user

New Email To All:reply, ready for new subject/body

Do you often send emails to the same list of people? Do you press reply and then clear off subject/email body?

No longer. Open a new compose window with all recipients/cc/bcc in a clean state. You can start with a new subject line and email body.

Rated 3 out of 5 stars (9)
310 users