Top-Rated Extensions



Send notification to notikeys on new message arrival

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7 users

IMAP Quota (Free Space)

This Thunderbird addon let you customize the behaiour of the IMAP quota statusbar panel.

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796 users



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62 users

Plugin Disabler No Restart

Deactivates all plugins on startup.

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756 users


A general-purpose inspector for all Mozilla toolkit applications.

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8 users


A general-purpose JavaScript console for all Mozilla toolkit applications.

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9 users

Hide Option Pane

Provides ability to hide option panes.

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22 users


Provides global user stylesheet.

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64 users

Do Not Save Password

Prevents to save passwords.

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24 users

UI Text Overrider No Restart

Provides ability to override UI elements' label, tooltip text, etc.

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21 users

Cert Importer

Imports certs automatically.

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339 users

Disable Auto-update

Disable Auto-update feature of Firefox and Thunderbird.

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761 users

Always Default Client No Restart

Makes the application to the default client on every startup.

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16 users

Only Minor Update

Applies only minor updates of the application.

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90 users

Winmail Opener Bridge

Opens attached winmail.dat by Winmail Opener automatically.

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639 users

Attachemnt Encoding Detector

To detect file encoding of attachments, this forces to Thunderbird to use an encoding detector for a specific locale instead of the generic one.

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280 users

Clear IMAP Local Cache

Clears IMAP local cache on startup.

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281 users


Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.

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81 users

DevPrefs No Restart

Automatically sets all preferences for Firefox addon developer production environment.

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308 users

MALA Hindi Spell Checker by MCRPV, (Anurag Seetha)

MALA (Makhanlal) Hindi Shabd Shodhak to check Spelling of Hindi Unicode Text by Makhanlal Chaturvedi National University of Journalism & Communication, Bhopal, India. Chief Developer - Dr. Anurag Seetha. The program is Released Under the GNU GPL V 3

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5 users