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Splash! Requires Restart

Adds a splash screen to most Mozilla and Mozilla Based products. Supports sound, opacity, CSS customization, custom images, and much more. You can add {appVersion}, {buildID} and {userAgent} to the loading text and it will be filled in for you.

Rated 4 out of 5 stars (98)

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Mass Password Reset Requires Restart

Sometimes you change a central password that ends up changing 12 others. This add on helps you reset multiple passwords in the Firefox/Thunderbird password manager.

Rated 5 out of 5 stars (32)

0 users

check-links

リンク先のファイルを調べる

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BccBlocker Requires Restart

A ThunderBird extension to prevent the use of the Bcc field.

Bcc is the worst thing ever.
It kills transparency inside an organization.
If you use the Bcc feature, you should ask yourself why..

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BNR Exchange Rates Requires Restart

Show the exchange rates from BNR in the statusbar.

Rated 5 out of 5 stars (4)

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Markov Dictionary Switcher Requires Restart

Based on Dictionary Switcher but more than a thousand times faster and you can choose dictionaries that you want to use. Detects the language of the message that you are composing and changes the spelling dictionary.

Rated 4 out of 5 stars (7)

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ConfirmConversionsAtSelecting

[Notification] : : As of June 21st 2021, automated browserAction popup was fixed.

Confirm conversions of e-mail to event and task at selecting thread tree children.

Glory be to God!

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Generate patch command Requires Restart

Generate a command (or part of it) to send a patch as a reply to a thread − primarily intended for use with `git send-email`

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P18X Protocol Requires Restart

Send SMS direct to SMSC by the standalone mobile broadband USB-based modems of the brand ZTE with P18X Web UI.

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StockTicker Requires Restart

Shows your favorite stocks in a customizable...

Rated 3 out of 5 stars (80)

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eelpout Requires Restart

The anti-phish. An informative phishing detection...

Rated 3 out of 5 stars (2)

0 users

Play drums! Requires Restart

Just… play drums with your keyboard!

Rated 4 out of 5 stars (20)

0 users

JavaScript Object Examiner Requires Restart

Display JavaScript object methods and properties for any available scope.

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Contact DnD Requires Restart

Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.

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Periodic Memory Usage Dumper

Saves memory usage information periodically (mainly for troubleshooting), for web/addon developers.

Rated 4 out of 5 stars (2)

0 users

ThunderBayes Requires Restart

SpamBayes integration for Thunderbird - a better spam filter.

Rated 3 out of 5 stars (15)

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Asystent Nauki Angielskiego Requires Restart

Pomoc w nauce angielskiego i rozumienia tekstów przez tłumaczenie pojedynczych, rzadkich słów.

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POW -- Plain Old Webserver Requires Restart

Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.

Rated 5 out of 5 stars (16)

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DND Flavor Inspector Requires Restart

View drag and drop flavors

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Thunderled Requires Restart

For ASUS laptop owners, each time a new email is in your inbox, the email led will switch on...

Rated 4 out of 5 stars (10)

0 users